OpenTechnical

OT-2026-000080395

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000080395) never changes.

Identity and time

Publication numberOT-2026-000080395 · never reused
Internal UUID01a0ae96-7e78-77cc-83d4-afa12b17d0ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080395
StatusPUBLIC

Content hashes

Canonical text5d061ac2acebb825d9c2ebbefce5fdf8aee52fe4ee3ef9db79226ab72385f961
Markdowncaf0ee05b301b446af521c42aba5d3ca4ea917a8bfa1687086d06c7bcbb9de60
PDF
Publication paged2ba79972a2fbc3904e07783cd2d161c72f4a7461d31fda366e4bb708e25653e
Manifest70a0998ad3ff0b4054ad82861aecdff10e6a12c13632c3e4d66e6b2bd7688e1f

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
SignatureuphSq7358z+k+X9lGCuUC8htD5IMBBq9TADWv2z1YLN0G+9G1BPiSInFw3frJzHR9x3E9bKvfjbnIUdSXvJJBg==
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

2026-09-17T10:02:53.647862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080395
observed d2ba79972a2fbc3904e07783cd2d161c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.630519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080395/manifest.json
observed 70a0998ad3ff0b4054ad82861aecdff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.611901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080395/publication.md
observed caf0ee05b301b446af521c42aba5d3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.594170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080395/publication.txt
observed 5d061ac2acebb825d9c2ebbefce5fdf8...
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.