OpenTechnical

OT-2026-000076142

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000076142) never changes.

Identity and time

Publication numberOT-2026-000076142 · never reused
Internal UUID01a0ae94-6a6f-735a-932d-4c63025ebabc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076142
StatusPUBLIC

Content hashes

Canonical text59e6a3b8dcb9414774a7c1f55cd67a6a9e4f8bca06b114e1c07fa2cb2d0bfc32
Markdown39dd929dcd0185f82ac3648c7f0a47f61bf3ac4a21766412f405603ce7ac93dc
PDF
Publication pagef940c71dbac221d378cff90a2d36805d1b41cf2ffca52675018cb7181781ff2e
Manifest6b255311e1e38faf637b8a2e527104703cf3da9003778fe81af270f8d9ca8e16

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
Signature4IJQi/az053Ac5VNmo3GC+h+jXLJlI2osSNTsqvszwIGqea0a5F63oToz4DInzADmZ9y2KxTHVkPC0tLupfCBA==
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

2026-09-17T10:11:10.204321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076142
observed f940c71dbac221d378cff90a2d36805d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:10.058812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076142/manifest.json
observed 6b255311e1e38faf637b8a2e52710470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:10.038672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076142/publication.md
observed 39dd929dcd0185f82ac3648c7f0a47f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:10.018415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076142/publication.txt
observed 59e6a3b8dcb9414774a7c1f55cd67a6a...
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.