OpenTechnical

OT-2026-000069477

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069477) never changes.

Identity and time

Publication numberOT-2026-000069477 · never reused
Internal UUID01a0ae90-b52a-72a5-b2a0-ef394ba07c04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069477
StatusPUBLIC

Content hashes

Canonical text674b948b5fc8eba177c8172c08b8fc314f3d5df9042131a5c772e37c07cb3df1
Markdownf9c02cc4d4f3b848f84178be9efb6e15fd2f6f1fcc63b8d7879b46a4c4657769
PDF
Publication pagec635129f94e8ec7969370d6cfc6db71f0b69b8bc91dc21d80c6ff3928c078db0
Manifest1733d3f40e98878a10f39b3753a99521b0f1a38f9800af9272f559319f5cb055

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
SignatureKIG43NuebYdiQXRVvXcJCkiLsvnu0rbsZKnY/wWsERuAtBp/C2/jnp9xb6P/+2zdsBxWhaOjLa36wIQaem47AQ==
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

2026-09-17T10:30:33.265355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069477
observed c635129f94e8ec7969370d6cfc6db71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.247852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069477/manifest.json
observed 1733d3f40e98878a10f39b3753a99521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.230276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069477/publication.md
observed f9c02cc4d4f3b848f84178be9efb6e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.212378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069477/publication.txt
observed 674b948b5fc8eba177c8172c08b8fc31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.998047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069477
observed c635129f94e8ec7969370d6cfc6db71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.981005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069477/manifest.json
observed 1733d3f40e98878a10f39b3753a99521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.962990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069477/publication.md
observed f9c02cc4d4f3b848f84178be9efb6e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.947142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069477/publication.txt
observed 674b948b5fc8eba177c8172c08b8fc31...
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.