OpenTechnical

OT-2026-000021002

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000021002) never changes.

Identity and time

Publication numberOT-2026-000021002 · never reused
Internal UUID01a0ae6f-65e4-7e05-8024-a4d0b97ee1bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021002
StatusPUBLIC

Content hashes

Canonical text6568756bfd6d83dd2f1f7e569fcfccc920dac7c11ea095a556f03e88365f389d
Markdown1aad4e791b4dd688f2cd698fef9b1c549f571f872a38437d6f3f2e11931b87f3
PDF
Publication page83d8353622c4c792db780caead6fe21fb203c84c2297cfa2fd61c2dedf87ed87
Manifestc116bd6877b309c140a5c6e4c5130c1178c2f9a23da494a6c571bc44292b96ca

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
SignaturegeisvIzqIJIGie2wCZdd5miVdZbECoukFAo2KsyGIssn3PNEt+tAnkrcEtLdDlIIIXVwBSxdLQXHRYPvuuaxCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:09.598074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021002
observed 83d8353622c4c792db780caead6fe21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.580732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021002/manifest.json
observed c116bd6877b309c140a5c6e4c5130c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.563525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021002/publication.md
observed 1aad4e791b4dd688f2cd698fef9b1c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.546823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021002/publication.txt
observed 6568756bfd6d83dd2f1f7e569fcfccc9...
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.