OpenTechnical

OT-2026-000087054

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000087054) never changes.

Identity and time

Publication numberOT-2026-000087054 · never reused
Internal UUID01a0ae9a-9f2d-711b-bfb8-0e5a54221656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087054
StatusPUBLIC

Content hashes

Canonical text114320bcc5988a5879eb5866edda938795940126a0c83c5d6d3e16c1e0c97086
Markdown35a9dbb399b0d6bc4f86c8aa704dcc920fa3be24be9dc67d4f46e099d0d8b57a
PDF
Publication page9a26add7e1ffb21bc6c73660193301e5d87f2bc34bd35330515e852c71ce9a49
Manifestaefa0be99c9c84ebbfebc7738a7d059f65c4638cc85bdba0ca1d9feed336ab17

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
Signaturef4cVWKDEPuMU2aAbALu7pItmVcVrIu1l3v7nQWKD+N/Iao1Olx//NDZbXi60Ni5UW3UeWibmgm+2qEXRAoS9Aw==
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

2026-09-17T09:51:18.092448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087054
observed 9a26add7e1ffb21bc6c73660193301e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.076486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087054/manifest.json
observed aefa0be99c9c84ebbfebc7738a7d059f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.060183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087054/publication.md
observed 35a9dbb399b0d6bc4f86c8aa704dcc92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.039084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087054/publication.txt
observed 114320bcc5988a5879eb5866edda9387...
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.