OpenTechnical

OT-2026-000077472

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented after set-down

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-2026-000077472) never changes.

Identity and time

Publication numberOT-2026-000077472 · never reused
Internal UUID01a0ae94-f50a-76db-9261-0b660e684462 · 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-2026-000077472
StatusPUBLIC

Content hashes

Canonical text6e0829eb41d92af80a07348a739038cc37220649a00219c457fbbbfb951f7799
Markdown76586dd70625c420ac897f0fc38c0e6045da57e3898b789bdf21c84c2399215b
PDF
Publication page83f87d39b1d9ca258aa8e11398f1798337956f391bd3645593b4c84884381bd8
Manifest593a21e5b2fb60840c7dcf92fd1ec49c2c7f2fc50b86b874310a2329d832d83a

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
SignaturedR/qAwl3lLdgSJswimFbwHtqOGUHxMjFMf8I0l5XnLV1tHUfBScEWu3XtfrMQ878NMtN33seVRH9F6idPFTJCw==
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

2026-09-17T10:11:05.042232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077472
observed 83f87d39b1d9ca258aa8e11398f17983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.024341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077472/manifest.json
observed 593a21e5b2fb60840c7dcf92fd1ec49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.005929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077472/publication.md
observed 76586dd70625c420ac897f0fc38c0e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:04.986964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077472/publication.txt
observed 6e0829eb41d92af80a07348a739038cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.975346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077472
observed 83f87d39b1d9ca258aa8e11398f17983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.958316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077472/manifest.json
observed 593a21e5b2fb60840c7dcf92fd1ec49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.940509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077472/publication.md
observed 76586dd70625c420ac897f0fc38c0e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.921879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077472/publication.txt
observed 6e0829eb41d92af80a07348a739038cc...
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.