OpenTechnical

OT-2026-000029130

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000029130) never changes.

Identity and time

Publication numberOT-2026-000029130 · never reused
Internal UUID01a0ae73-2aa0-729d-b296-7cfc85eb9e76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029130
StatusPUBLIC

Content hashes

Canonical text6ddc3ace6c1efbdbd187635d1d4f48b63f024d4c3311b73e9cac028b36ef79e7
Markdown8a3988c337a9d404d7a82da0bea1a2fd84e889f1075dc39d19e106f746979a2d
PDF
Publication pagecf850793e3b7312b16b14d126c1d2b1233298890b140f9db28101b0b4c8786f8
Manifest6e6dafdd2d171de57b2007fdc6c3c79455605b6b4872932e4272a0d479c9facd

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
Signaturen2Op8jyWnFwCz3AS2lVpJgp94b6z/tGX2raVqT5keV7KeNDOGybMq3nY9Zz1A2b7lranVS3aksFR3k4EaJR3Cw==
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

2026-09-17T11:39:36.897006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029130
observed cf850793e3b7312b16b14d126c1d2b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.879073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029130/manifest.json
observed 6e6dafdd2d171de57b2007fdc6c3c794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.860490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029130/publication.md
observed 8a3988c337a9d404d7a82da0bea1a2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.843778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029130/publication.txt
observed 6ddc3ace6c1efbdbd187635d1d4f48b6...
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.