OpenTechnical

OT-2026-000085505

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three 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-2026-000085505) never changes.

Identity and time

Publication numberOT-2026-000085505 · never reused
Internal UUID01a0ae99-aaac-7bb9-bdb3-3e60860396a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085505
StatusPUBLIC

Content hashes

Canonical text29d3c9112c72362297db6064ce554ff47ba658c9bf34d6674d3d3bfb73f27e28
Markdown1db31b8d1a5035ed7d1211f560c39014585e292908afa1abf930392a310c8d58
PDF
Publication pagec820a0aed6c1743560f9b62dd1e5a6755e57e52f22aaab4690429fd569f8f6de
Manifest81899b2c4a444920f6e3add75942c1a85c0e42b28419bdb9eee98c1602d1d37f

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
SignaturesbuVlEvW/fEkRl1deL2hhOP3/Ph85h2w/qjkMdeXtMMZ2DY5bUjXr0UJrjVkKauq15g6jRjwizL0C82w8mecDQ==
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

2026-09-17T09:54:18.501140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085505
observed c820a0aed6c1743560f9b62dd1e5a675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.479370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085505/manifest.json
observed 81899b2c4a444920f6e3add75942c1a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.461749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085505/publication.md
observed 1db31b8d1a5035ed7d1211f560c39014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.442636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085505/publication.txt
observed 29d3c9112c72362297db6064ce554ff4...
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.