OpenTechnical

OT-2026-000100297

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100297) never changes.

Identity and time

Publication numberOT-2026-000100297 · never reused
Internal UUID01a0aea3-3053-7992-aa40-02c54f3b8134 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100297
StatusPUBLIC

Content hashes

Canonical textd8b94878a195ddcbcef2ff03d3b8461c488c19e937b84b3ea6195f02f8523992
Markdown8a7a07bcb9ad56a741e65ec2566c90ee7aed415195c4c1a3ea8215b0082c301b
PDF
Publication pagea232fc7c11a0002a3608fb012795b08a5acc3624d99e82049d449ccfd19b5c0d
Manifestebae16bd9d087d96a041c8504d4f4702e81669237b148d7c73244dc13211d28d

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
Signature0QmaUQM+DmoNURMua+7mrLgOyyE3Ke0iVUXCioz1BeI9EuVO+a5sgkQXQ51POrLMS6/iS+TCsvL+e3xzig6uBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:06.790652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100297
observed a232fc7c11a0002a3608fb012795b08a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.774060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100297/manifest.json
observed ebae16bd9d087d96a041c8504d4f4702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.758806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100297/publication.md
observed 8a7a07bcb9ad56a741e65ec2566c90ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.741833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100297/publication.txt
observed d8b94878a195ddcbcef2ff03d3b8461c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.498632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100297
observed a232fc7c11a0002a3608fb012795b08a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.481918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100297/manifest.json
observed ebae16bd9d087d96a041c8504d4f4702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.461477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100297/publication.md
observed 8a7a07bcb9ad56a741e65ec2566c90ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.440756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100297/publication.txt
observed d8b94878a195ddcbcef2ff03d3b8461c...
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.