OpenTechnical

OT-2026-000087523

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000087523) never changes.

Identity and time

Publication numberOT-2026-000087523 · never reused
Internal UUID01a0ae9a-cd51-7494-805c-519b7a16209b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087523
StatusPUBLIC

Content hashes

Canonical text2a48e968b043a9a27640de6a2dc2a5d74053c3e469ac5bacd9e8a47123e087c2
Markdowna243d6c8c01eeac28b4012010a202d3e8f4bc4fb61a53deb5783b90977e36a37
PDF
Publication pagec83825b434718ba8759b535533111742961847f130faea22bae2de645ac136f7
Manifest5905a9fd5e8bf367b427671b3d78b32b26b8e3eac5217627041722a0d669af18

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
SignatureWLUXyiOryx1rhhXaBIR3i1UQg0bHx8Xn7lrgDD5OC3ecitrI4adiQwAjduh9iba3eyk1TbY+tRAbIjcn7rEpDQ==
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

2026-09-17T09:50:51.607315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087523
observed c83825b434718ba8759b535533111742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.589110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087523/manifest.json
observed 5905a9fd5e8bf367b427671b3d78b32b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.572248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087523/publication.md
observed a243d6c8c01eeac28b4012010a202d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.554496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087523/publication.txt
observed 2a48e968b043a9a27640de6a2dc2a5d7...
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.