OpenTechnical

OT-2026-000055105

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055105) never changes.

Identity and time

Publication numberOT-2026-000055105 · never reused
Internal UUID01a0ae86-5e82-78cf-8bc5-15f33053db91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055105
StatusPUBLIC

Content hashes

Canonical textb7b534446f29892d4a9f931a4b082b32d11fee07039fb1b67247073296defe68
Markdown3bb45be0111ee082dc9fe3e3db2b3a03e5204ba82e905a584c65e8d183b6a720
PDF
Publication page12e1e0b1b1fbc00dd213a3c1154de67f528062a54599d8169a475b60c83e4400
Manifestec6b6cbb59eca943c12bd6bb633dcf00986a62c48e958da77a5a9467ca040021

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature5JCBEfmIQUqYvOt9yDiR4rli+k235WDGRFsYKkIF1dRtwY1/EPVwoXjM5o1jbJjmh2sW6pVHGnfE+rxF6ozgAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-10T12:41:12.249689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055105
observed 12e1e0b1b1fbc00dd213a3c1154de67f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T12:41:12.159911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055105/manifest.json
observed ec6b6cbb59eca943c12bd6bb633dcf00...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T12:41:12.078365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055105/publication.md
observed 3bb45be0111ee082dc9fe3e3db2b3a03...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T12:41:12.000813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055105/publication.txt
observed b7b534446f29892d4a9f931a4b082b32...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.988326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055105
observed 12e1e0b1b1fbc00dd213a3c1154de67f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.970434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055105/manifest.json
observed ec6b6cbb59eca943c12bd6bb633dcf00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.951908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055105/publication.md
observed 3bb45be0111ee082dc9fe3e3db2b3a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.933340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055105/publication.txt
observed b7b534446f29892d4a9f931a4b082b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent