OpenTechnical

OT-2026-000103797

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000103797) never changes.

Identity and time

Publication numberOT-2026-000103797 · never reused
Internal UUID01a0aea4-e463-725a-a226-3ecb0a108c20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103797
StatusPUBLIC

Content hashes

Canonical text87fd5a4dae38ae206728915c3d05bb9cb9e17c9e1c588403bcb2d1989d2ee328
Markdownc7a419aa0102295c415efba8d09c7c4b841eea19089a594996886a56e5d0c0b9
PDF
Publication page14dfa2d278aac77a0343d551a439cc7659cc2cd7294dad406664a715e56f29d0
Manifestaed27f2af59e63a758b2b073b1e0cf03135df49b2136b1cc76c6ac7a2c5c1190

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
SignaturekWR9GMAQYWTt5kIWNqOuvJ7fqgpzq8WlX3ZPtc2/k25vOWOAdkRf4sKFaxeBT8hkR/aK1W06oqQdJqZ4TYd3CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:45.099745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103797
observed 14dfa2d278aac77a0343d551a439cc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.083330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103797/manifest.json
observed aed27f2af59e63a758b2b073b1e0cf03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.065816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103797/publication.md
observed c7a419aa0102295c415efba8d09c7c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.049488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103797/publication.txt
observed 87fd5a4dae38ae206728915c3d05bb9c...
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.