OpenTechnical

OT-2026-000077528

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000077528) never changes.

Identity and time

Publication numberOT-2026-000077528 · never reused
Internal UUID01a0ae94-f50a-7da2-b5c7-521622502e85 · 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-2026-000077528
StatusPUBLIC

Content hashes

Canonical text7873662bd8f63c81718fb3d7818eeec09abe9ac53f5d29e7d763f5df426d0881
Markdowna6fddfc900d5de56c2d3536e9617e0107c9a4028caef7e54b0bc5df0f99dbfb2
PDF
Publication page34eb757e85b0bdcde53dceefdd2337d35e9112913f7b936421b96982be7cd0be
Manifest47df18892feec522ccc9406f280d8565e11901b05cf7a4406c325610c24ef07f

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
Signature3h5RT2ifx0DrdrDaJ6sdHGHPJfZKWJLOZXvfoEEa3t6eJHVKwROKuOrCuR9I7HyfJnc5sz3WfYLmSHZU1wMOCg==
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

2026-09-17T10:11:07.512249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077528
observed 34eb757e85b0bdcde53dceefdd2337d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.496587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077528/manifest.json
observed 47df18892feec522ccc9406f280d8565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.478236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077528/publication.md
observed a6fddfc900d5de56c2d3536e9617e010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.461034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077528/publication.txt
observed 7873662bd8f63c81718fb3d7818eeec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.810809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077528
observed 34eb757e85b0bdcde53dceefdd2337d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.793658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077528/manifest.json
observed 47df18892feec522ccc9406f280d8565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.777139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077528/publication.md
observed a6fddfc900d5de56c2d3536e9617e010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.760455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077528/publication.txt
observed 7873662bd8f63c81718fb3d7818eeec0...
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.