OpenTechnical

OT-2026-000086537

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump 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-2026-000086537) never changes.

Identity and time

Publication numberOT-2026-000086537 · never reused
Internal UUID01a0ae9a-2c98-7966-800e-4fe7e5f9388f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086537
StatusPUBLIC

Content hashes

Canonical text40163d969aafe7b40a31093b760927e9c1f0614abdc13428dc821aa346695a60
Markdown6f9feb423bfdf56f0089e50a2bb03e1df6d87fb73422f9ddcebac4b915093d1a
PDF
Publication page80f9bb918179a2576092a2deaa3b97d0429f43395a464cad3d19a9feab9707ee
Manifestd5096dc86aedf694d71b66c8b249072b3c150c580d1f596fb9d0455829e1db4b

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
SignatureidOtkOVo+qNm/0uPz2EtlMDbL2LZ3Mf9qD1yo161V2Y3II41tmUptnslQXo95Ovdlk/aQ/LjhGrHaPKf11UqCw==
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

2026-09-17T09:52:21.430499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086537
observed 80f9bb918179a2576092a2deaa3b97d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.413758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086537/manifest.json
observed d5096dc86aedf694d71b66c8b249072b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.395052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086537/publication.md
observed 6f9feb423bfdf56f0089e50a2bb03e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.377417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086537/publication.txt
observed 40163d969aafe7b40a31093b760927e9...
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.