OpenTechnical

OT-2026-000089575

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089575) never changes.

Identity and time

Publication numberOT-2026-000089575 · never reused
Internal UUID01a0ae9c-1a21-76eb-bdd1-bd9aec72bf1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089575
StatusPUBLIC

Content hashes

Canonical textb3c4c1df4390c490e7912e0984c4e8f54325170f0a72d705c4e3f7a584c5992c
Markdownd2674a1fa26e2af4929fac38d2e9bdba8180bcc77e13d9933d2b16b1c610434d
PDF
Publication pageed251333c01315e258027d9ac0de97c6e92dbe29ee249adca868151a9684b25c
Manifest01250fde88b7d69242fd99df277a6a0421bca10601634a6f8d50bbcad44116c7

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
SignaturexR/2qhpe0NYiOk+FM7Ikku12xo+5TPiSlx4d4Ji9iaKbkN5lN1psAG3181ObcBiP9knzAMF5SYM9j7N2vc2RBA==
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

2026-09-17T09:46:24.257170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089575
observed ed251333c01315e258027d9ac0de97c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.239849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089575/manifest.json
observed 01250fde88b7d69242fd99df277a6a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.221894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089575/publication.md
observed d2674a1fa26e2af4929fac38d2e9bdba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.202659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089575/publication.txt
observed b3c4c1df4390c490e7912e0984c4e8f5...
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.