OpenTechnical

OT-2026-000078521

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078521) never changes.

Identity and time

Publication numberOT-2026-000078521 · never reused
Internal UUID01a0ae95-7c29-79cf-b9db-7a01bb50254f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078521
StatusPUBLIC

Content hashes

Canonical text0b083ca59e026485675811b1f4cb8646a09d2e8331b94ec164a998b50fecd30c
Markdown7c7cf8d1ac8b53b8ccd5c810eab6322d7b3c81d848d83d1e4545d85931bf2f36
PDF
Publication page434bdab4bb856f67c1ec6d5d604ee39ad597ff5e7965180fc3d6293801f00db3
Manifestc22082f7e8fa54b131619cac19ef2685735e21b8a15ffc1e9a66494b1e13946b

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
Signature+xhYEc42kGKcqMdNVJjWs0A+joMJnzI4ZxlnIFfGfrgV1CsC5DtgeSHs9iQ4eW4u5fLUL222PhqQwvTMBFzlAg==
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

2026-09-17T10:06:32.301950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078521
observed 434bdab4bb856f67c1ec6d5d604ee39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.284465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078521/manifest.json
observed c22082f7e8fa54b131619cac19ef2685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.265252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078521/publication.md
observed 7c7cf8d1ac8b53b8ccd5c810eab6322d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.245222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078521/publication.txt
observed 0b083ca59e026485675811b1f4cb8646...
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.