OpenTechnical

OT-2026-000081735

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000081735) never changes.

Identity and time

Publication numberOT-2026-000081735 · never reused
Internal UUID01a0ae97-0f74-7d79-ade3-378b3199e0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081735
StatusPUBLIC

Content hashes

Canonical textb51dc99818e13d6abc2b8755cc183e7fa24012e21b0b89262d37d7fc78f8f4c4
Markdown22683f40931b7af2c06ce1a272f1bf257bee6249471b7e7b3a9e332a8cc205a5
PDF
Publication pagec009a7a1920c274ef9c4f17d400e7150cc707b012282b8edeb5aca252e3630e9
Manifestb3b0da7d8e01894b0d375eb0b95854b2e402786d91b0aecf00031e219168070a

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
Signature2GwvjMvo1zZM3rnkd6Rmgj6Vah1YYgV7HxVfnYNVtcVgXf4VZ3kpigxXeDGUPA/w/bF0TNsRI9SszpNrRwUbDA==
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

2026-09-17T09:59:49.008089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081735
observed c009a7a1920c274ef9c4f17d400e7150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.990577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081735/manifest.json
observed b3b0da7d8e01894b0d375eb0b95854b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.972192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081735/publication.md
observed 22683f40931b7af2c06ce1a272f1bf25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.953596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081735/publication.txt
observed b51dc99818e13d6abc2b8755cc183e7f...
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.