OpenTechnical

OT-2026-000077328

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, vented after 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-2026-000077328) never changes.

Identity and time

Publication numberOT-2026-000077328 · never reused
Internal UUID01a0ae94-f509-7019-8910-abb5332a3c68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077328
StatusPUBLIC

Content hashes

Canonical text26def47ad679775a4fd5be351d8e3cb10e9bc3829ec9f31185dfb3a822601430
Markdown417baeef53d754bdd356ec28dc7f4b0e543b25c5a47393726b668e6017f0ac4a
PDF
Publication page262b06a0d8bbf8598955e2dbd259c3407c2441e7ad363e7ecbfffdf8c4dddf3e
Manifest7500b4085fa6047a86f3b6b07bf7f7bb794e8f6caecedb8c339708c94d903553

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
Signature89NZBuwSYgWTs3XpIFi9XgCSGY8gsugTeuDzXDJGn151Fs4k562CuGEwo+tw//X5AnpIbOSLv0QncwvhLbecDQ==
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

2026-09-17T10:08:58.062920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077328
observed 262b06a0d8bbf8598955e2dbd259c340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.045018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077328/manifest.json
observed 7500b4085fa6047a86f3b6b07bf7f7bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.027775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077328/publication.md
observed 417baeef53d754bdd356ec28dc7f4b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.008459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077328/publication.txt
observed 26def47ad679775a4fd5be351d8e3cb1...
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.