OpenTechnical

OT-2026-000070090

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000070090) never changes.

Identity and time

Publication numberOT-2026-000070090 · never reused
Internal UUID01a0ae91-1861-71aa-b587-2faf4bd63b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070090
StatusPUBLIC

Content hashes

Canonical text495ffd5290144c163368821f3fdd6d9ca9533ad496b2a44dd364129c83c1880a
Markdownea40b57b2ba663f1fddb802cc2910c5dec50c94fd11427f138670ae343e52ee4
PDF
Publication pagee9dc6819faf0790fa2a1426e2db47936dd963767102e4c124e5a5cc2f2b4da65
Manifestf726a52ad238535cc0d7b7fca643ad2ce3df8e60a5967b838522fe8b2de1447c

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
SignatureIckiSk2qQZfZ9zc/wyUfasg5mwxZbJ60Dh+m5ZJQoT58foBqWQpEaWsZ6ACSijz1OU4+EW1MLUcKIyguvNViBg==
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

2026-09-17T10:27:03.489546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070090
observed e9dc6819faf0790fa2a1426e2db47936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.471880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070090/manifest.json
observed f726a52ad238535cc0d7b7fca643ad2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.453958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070090/publication.md
observed ea40b57b2ba663f1fddb802cc2910c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.437245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070090/publication.txt
observed 495ffd5290144c163368821f3fdd6d9c...
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.