OpenTechnical

OT-2026-000082373

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000082373) never changes.

Identity and time

Publication numberOT-2026-000082373 · never reused
Internal UUID01a0ae97-4d96-7dee-887e-0688d04063a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082373
StatusPUBLIC

Content hashes

Canonical textb7bf8651eb3a0164bb3c86445169f77227e2ba28a379ca2bb204e7e8b976a016
Markdown5e58090d19e814e6adab93dc7f0481f97c7d639ddc97d875f6e3d33716290812
PDF
Publication page7c446d2f1cde5c054dac96d4cf5ed8e7176a819ec775c0458571e013808a65cf
Manifestbfae6864e8187855761886d61ec152c77b86e698205fc61b78b00888c600cd57

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
SignatureqXmTyKsNA7cnJwTSQ7MVYojd9Cq//L9dVdfC7x5Oq2NUVwLZGVZCegQGaBTI7Fov4Sb3fP6v7toSfNeuct1oBg==
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

2026-09-17T09:59:15.077053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082373
observed 7c446d2f1cde5c054dac96d4cf5ed8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.060493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082373/manifest.json
observed bfae6864e8187855761886d61ec152c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.044162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082373/publication.md
observed 5e58090d19e814e6adab93dc7f0481f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.027954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082373/publication.txt
observed b7bf8651eb3a0164bb3c86445169f772...
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.