OpenTechnical

OT-2026-000081067

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000081067) never changes.

Identity and time

Publication numberOT-2026-000081067 · never reused
Internal UUID01a0ae96-b976-7b3f-a03b-2b9394de3162 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081067
StatusPUBLIC

Content hashes

Canonical textc82239e0774117dd6b41bb25ae5a18c87e1b3517795a5d826f9d7d4a8920ba2c
Markdown2218eea58c70db4b39ee6fdace7abca018a531d872d0a72afafe0d1a7d18e252
PDF
Publication page13a9c8b1694acfa6d08056ffc4cfebe96d55292db3993f13b0d5791cdba924b4
Manifeste64a9defb18f84d6def1d2715efbd7476088d6e716801dddacc07d8c6e3aab0c

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
SignatureWcNpNGByJ0Ivy9Z2Si1Yt8UYZ1APB+xgiYnYjbd75cvWIVrnP88ni3a/m8sPjJZUHV6R8JoEs/7CyC+QLOCLBQ==
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

2026-09-17T10:02:21.871111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081067
observed 13a9c8b1694acfa6d08056ffc4cfebe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.854384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081067/manifest.json
observed e64a9defb18f84d6def1d2715efbd747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.837521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081067/publication.md
observed 2218eea58c70db4b39ee6fdace7abca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.818345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081067/publication.txt
observed c82239e0774117dd6b41bb25ae5a18c8...
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.