OpenTechnical

OT-2026-000021252

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000021252) never changes.

Identity and time

Publication numberOT-2026-000021252 · never reused
Internal UUID01a0ae6f-865c-73d1-9eb0-6129464df38d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021252
StatusPUBLIC

Content hashes

Canonical text46da2bb314d81a0eefa1f2a89a9d6a6fd23eac6133fc31c0f1c96e03364559a3
Markdownbe5821bd66ca9dae723e6b348a237ee877b113b142d2afb805fbc48c75bccb6d
PDF
Publication page9d70526ea9629b472de5d31ce8b07b977ade13228d498e33450d36ab227f2ffe
Manifest31bd72be418586f26da5deeff1995f143d2003608c1082314ad50b05224f5da4

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
SignaturerhMrUqs1vwYU7Iy2jy9sNP0LfWwAjyi7b+m940gGJ578UK4eTHadfQBgnw1ZuTaFAmR1bhV8y0PhLNeO+gRYCw==
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

2026-09-17T11:55:04.184685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021252
observed 9d70526ea9629b472de5d31ce8b07b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:04.165540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021252/manifest.json
observed 31bd72be418586f26da5deeff1995f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:04.146519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021252/publication.md
observed be5821bd66ca9dae723e6b348a237ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:04.126541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021252/publication.txt
observed 46da2bb314d81a0eefa1f2a89a9d6a6f...
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.