OpenTechnical

OT-2026-000072098

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000072098) never changes.

Identity and time

Publication numberOT-2026-000072098 · never reused
Internal UUID01a0ae92-47c1-7dad-9cfa-84a67b646b4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072098
StatusPUBLIC

Content hashes

Canonical textae1d3432074c7408560f4f40ee9cd4d190a7b23063df0eb22da7bc2dbf3ef875
Markdownb169ad03a84f3a0d0ea1c2ec82ee6fd670b586da99e5e565e2c1eed6ea4560fa
PDF
Publication page2d82c10c88d039e2b54afb90ffdc7266c11de939f425ab3b48d321b7f41c6998
Manifest5ed03e843e039bb11778eebe1e95a17e93eca3cd4af120ed008caaff0d290178

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
Signature+SUHrA9F+Wr4OX5d7A2g0F4Wyne9/2stqDC0FZD3zuQqcumnR6R/2zMCYwvTd9mkw96+UNXrJcZ8RfLdpeiGAg==
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

2026-09-17T10:23:10.861694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072098
observed 2d82c10c88d039e2b54afb90ffdc7266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.843803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072098/manifest.json
observed 5ed03e843e039bb11778eebe1e95a17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.826332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072098/publication.md
observed b169ad03a84f3a0d0ea1c2ec82ee6fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.808477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072098/publication.txt
observed ae1d3432074c7408560f4f40ee9cd4d1...
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.