OpenTechnical

OT-2026-000089758

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000089758) never changes.

Identity and time

Publication numberOT-2026-000089758 · never reused
Internal UUID01a0ae9c-1a22-7b7f-a7eb-aa8584b49d5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089758
StatusPUBLIC

Content hashes

Canonical text7f99b603a919de8622097a853b9636e20b836a2eb36efc0f009c6b6df9c81265
Markdown6f08f3b016c05c71a977a976ad527c9d9f9bdb3359e780cfa0ac1dbc8355d543
PDF
Publication page9ec88ce300f0dbb008be80e61cadf16ad2fc4b99592d3d69727ef1dc3ef9d1b3
Manifestb7c86c6166312da20924f0ce96623b912ee750ef54995df55e2618e34719fccb

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
SignatureBzi0kOk7rZc7Hjg7ZItn2RudtDfoaRlKPLsYCLYM7P4o0O3uEXv40MQpt0MhoH0Ck5d9gk7GZseHnE4r9+ehDQ==
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

2026-09-17T09:46:50.624349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089758
observed 9ec88ce300f0dbb008be80e61cadf16a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.607763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089758/manifest.json
observed b7c86c6166312da20924f0ce96623b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.589760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089758/publication.md
observed 6f08f3b016c05c71a977a976ad527c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.570288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089758/publication.txt
observed 7f99b603a919de8622097a853b9636e2...
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.