OpenTechnical

OT-2026-000087113

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000087113) never changes.

Identity and time

Publication numberOT-2026-000087113 · never reused
Internal UUID01a0ae9a-9f2d-76e5-b5de-b4ee497f0b5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087113
StatusPUBLIC

Content hashes

Canonical text5471a45a7a800a5a4c37335a9a65b2ca412d44b5a4e7cbfcfe53624e252a0501
Markdownad24ea5f73783686922983a1199fd5677365d5f64010b94dc5d18002c467473b
PDF
Publication pagec7c51ad6cf2ed3cf11caf40683c77d78ee32aeed16e981814c8608bc9ce29b9b
Manifest72c78c0941da8ac0131278df9ce97a160173cdf85646ff8b22f90b8ccc5b0ffc

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
Signaturey7UWTfxVXlqv0XH8kYRPaIh4RKsobe9X0H46yw/YM8/Msuir3KwKzQFgTaB+qEg5Ongq56h+ArMJSaIeLI2aAw==
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

2026-09-17T09:51:22.490824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087113
observed c7c51ad6cf2ed3cf11caf40683c77d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.474364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087113/manifest.json
observed 72c78c0941da8ac0131278df9ce97a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.457225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087113/publication.md
observed ad24ea5f73783686922983a1199fd567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.442006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087113/publication.txt
observed 5471a45a7a800a5a4c37335a9a65b2ca...
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.