OpenTechnical

OT-2026-000088620

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000088620) never changes.

Identity and time

Publication numberOT-2026-000088620 · never reused
Internal UUID01a0ae9b-8f0f-79ce-b6dd-5f39e421abd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088620
StatusPUBLIC

Content hashes

Canonical textc60daf24331487c47c156c97b5de0aceccc93558b0a0ec6444abae5a61e4ded8
Markdown5771d7d4ddcd160cf2537c034cfd75e016694b509da65f077e5348b1d3c52d56
PDF
Publication page215e6e50b7a4f8ae635f97ea67e20c6a0758f59d9ba0a6ee419465e163076b4d
Manifest304c0719421bd9efa210b45c24a93146dff4f8c550c0092dc72ac0829ab1ad59

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
SignatureGQMzpw4phKrAWarP0VEkLyyOcjATgeaX7i8Ixq+AG+vfOkdTRy5uTJjuAvnGXfzfOS9ruv0/dzVmIChZGOB9Bw==
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

2026-09-17T09:47:49.860571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088620
observed 215e6e50b7a4f8ae635f97ea67e20c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.842267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088620/manifest.json
observed 304c0719421bd9efa210b45c24a93146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.824255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088620/publication.md
observed 5771d7d4ddcd160cf2537c034cfd75e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.804117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088620/publication.txt
observed c60daf24331487c47c156c97b5de0ace...
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.