OpenTechnical

OT-2026-000084301

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000084301) never changes.

Identity and time

Publication numberOT-2026-000084301 · never reused
Internal UUID01a0ae98-5b61-7be7-84b5-ae91574b96cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084301
StatusPUBLIC

Content hashes

Canonical textf48f86a5bbb2817fc9305b36de6b04644a1b43f4e2e3eb4a4a0cd68284b2e829
Markdown84be88ed55e1fa1019411f00542d0421ced5642d932ce04396ec528e1be4956c
PDF
Publication page33923366d17d1f81cdfee91a1985abc6962279bbdff66ff4eabc108d4371b19b
Manifest5a42e14b3b0c74387bdf52cbd0298b6bfa21d1230cd476af5204efccfb7b11da

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
Signature7r4w0wEdr121K+YreFYyJeOcM0nanII9w1L/Jtri3PhxZOdInLLLBMaXyYSL/r5TgD8bT/NEPpR7nDKYIsVlCQ==
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

2026-09-17T09:56:09.285906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084301
observed 33923366d17d1f81cdfee91a1985abc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.266026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084301/manifest.json
observed 5a42e14b3b0c74387bdf52cbd0298b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.218707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084301/publication.md
observed 84be88ed55e1fa1019411f00542d0421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.184383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084301/publication.txt
observed f48f86a5bbb2817fc9305b36de6b0464...
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.