OpenTechnical

OT-2026-000034884

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000034884) never changes.

Identity and time

Publication numberOT-2026-000034884 · never reused
Internal UUID01a0ae76-1ed3-7e67-a3ea-b3d5703e59c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034884
StatusPUBLIC

Content hashes

Canonical text7599f5ed30a83fef1092f73cfa503c75e367db183f1db9d9472d4ef724b4bc27
Markdown83b4ee0ee41e52337d83220e9e07908406ef2d81f61f07adafb7dc91dcab8b25
PDF
Publication pageb373b7bdefff0ce0edd2c942f7db6c1f14e4354779ea27f097369b26b25235c8
Manifest69f946cd8fc816bc0eac2fe13722bfd83ea15751de7ecc14ba8254b1b30dcc83

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
Signature6kySHYcZ6dtRWQbQMVASKuV6AhP/Zf7LPbxek7eRI31oCp07+or5ehT1YFXdeFtgkd9cAeNHgQ0VK1XX9pcNAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:32.434308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034884
observed b373b7bdefff0ce0edd2c942f7db6c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.416991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034884/manifest.json
observed 69f946cd8fc816bc0eac2fe13722bfd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.393610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034884/publication.md
observed 83b4ee0ee41e52337d83220e9e079084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.371610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034884/publication.txt
observed 7599f5ed30a83fef1092f73cfa503c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.297367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034884
observed b373b7bdefff0ce0edd2c942f7db6c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.280155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034884/manifest.json
observed 69f946cd8fc816bc0eac2fe13722bfd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.253106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034884/publication.md
observed 83b4ee0ee41e52337d83220e9e079084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.231624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034884/publication.txt
observed 7599f5ed30a83fef1092f73cfa503c75...
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.