OpenTechnical

OT-2026-000089455

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089455) never changes.

Identity and time

Publication numberOT-2026-000089455 · never reused
Internal UUID01a0ae9b-db02-7c77-ad54-cf160e68599f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089455
StatusPUBLIC

Content hashes

Canonical textc7d48997f15bcfa14cf60fae90b8ad64f7e32373f5eb6b53b9dadc403929209c
Markdownd8917f8d4104c6dd7d48efc345bc6823022e1dacc657921f4a1a2b9f1c9cfe70
PDF
Publication pagea0e32b99cbf59a296d94db73455d2826880b05aed619cd9d5ea6c29b57715edb
Manifest78207db78e33a53f221445cb940cbdcb3c5b04dfb11bd634bbeb09db58a50cd5

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
SignatureKDm0ACR1v/YrdMDOfiOWZP2peBhxGbgzVbODorDKpNW87T+vJ6+3GOnA2M7aR6xxwWFhgiOMPsLLRGrp64rTAQ==
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

2026-09-17T09:47:36.261375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089455
observed a0e32b99cbf59a296d94db73455d2826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.244229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089455/manifest.json
observed 78207db78e33a53f221445cb940cbdcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.227202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089455/publication.md
observed d8917f8d4104c6dd7d48efc345bc6823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.211594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089455/publication.txt
observed c7d48997f15bcfa14cf60fae90b8ad64...
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.