OpenTechnical

OT-2026-000071213

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071213) never changes.

Identity and time

Publication numberOT-2026-000071213 · never reused
Internal UUID01a0ae91-e0ec-72e9-b499-07020f2107ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071213
StatusPUBLIC

Content hashes

Canonical text827e72d4459657578e03cf4afdf80ac60d13e2c623cb563d04b594c5fe3e2c00
Markdown8fed5416f655b58665e486a59fa11fdfd2f620bb7c6a9e6be219065d2a25fb4c
PDF
Publication page0a1d16f821bdbec8c04ebdc59338e8742bb6b744031561b588132f6e74529aa6
Manifestb34f3ab9f51e15b24e89e1df174fbbdc8293d34dc498c0d7fbcb3b9a20feba40

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
SignatureVCZq4+tRxFGltS6LOlSTZxNa07IGdTW07ZDSZckileMJb8R0B0n900KVGjrGLyNHzeHtdHbR6jN9vT/wy3jyBg==
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

2026-09-17T10:24:44.751298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071213
observed 0a1d16f821bdbec8c04ebdc59338e874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.733334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071213/manifest.json
observed b34f3ab9f51e15b24e89e1df174fbbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.715282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071213/publication.md
observed 8fed5416f655b58665e486a59fa11fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.697884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071213/publication.txt
observed 827e72d4459657578e03cf4afdf80ac6...
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.