OpenTechnical

OT-2026-000091252

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off 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-2026-000091252) never changes.

Identity and time

Publication numberOT-2026-000091252 · never reused
Internal UUID01a0ae9c-f16c-7356-ab64-c21cd1ed497b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091252
StatusPUBLIC

Content hashes

Canonical text9c0878ac6ee2fc4b7e5c5fbbf6d17a1038bf7cd0ec46dbc96ad82aebea379282
Markdowne602513afd5b2df77fe13368bacf778fe553343752a92e5723cc20e13bf64261
PDF
Publication pagea1059d43559ac9a7b43a57942a3f5b3800a79a0e407b2ec540d3f8ebf69ba3a5
Manifest81a7f86259456592285867a2992a3fa2f093641736e31a0c330637b0a777e5e9

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
SignatureuU1yRNdjbVlVzWW/Wo9qmehTtxR22YEKh26/M0mVNjoGFE4X3S2sTCf5S9jRVGkSathksLtKt67yparS5Ha9DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:25.728039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091252
observed a1059d43559ac9a7b43a57942a3f5b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.711379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091252/manifest.json
observed 81a7f86259456592285867a2992a3fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.694506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091252/publication.md
observed e602513afd5b2df77fe13368bacf778f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.678098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091252/publication.txt
observed 9c0878ac6ee2fc4b7e5c5fbbf6d17a10...
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

Custody packagePending Custody packages are produced weekly.