OpenTechnical

OT-2026-000076863

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076863) never changes.

Identity and time

Publication numberOT-2026-000076863 · never reused
Internal UUID01a0ae94-b070-75c2-ae03-f28144a4b913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076863
StatusPUBLIC

Content hashes

Canonical text7482a43df5605c5827d15fc109dea1c3b03af3942dd775539ad9f395c6d3e5c7
Markdown897771d70b125826098112cad3e60bd85fca220b13b5fce84907ee9bafcf6e4e
PDF
Publication paged8f6991ced83add95ef87facf98ca0f5cce471e211a6fa48b42476ec427dec74
Manifest7c7793bf2dc43a9bcacd1e5bde5c9134cd902bbd07e6768175385a6cb674658c

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
SignatureiJd+VQ7j32jwP5arCA1RH/dNRU2s3i9Pe7/l4XeYcYXaUZpE1ce+FILglt+4nAZHGuzxFIiT9XjO5cguJV+BAg==
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

2026-09-17T10:09:45.337640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076863
observed d8f6991ced83add95ef87facf98ca0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.318048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076863/manifest.json
observed 7c7793bf2dc43a9bcacd1e5bde5c9134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.299420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076863/publication.md
observed 897771d70b125826098112cad3e60bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.279529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076863/publication.txt
observed 7482a43df5605c5827d15fc109dea1c3...
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.