OpenTechnical

OT-2026-000086284

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000086284) never changes.

Identity and time

Publication numberOT-2026-000086284 · never reused
Internal UUID01a0ae9a-2c95-7ccb-898f-ca1c86accf47 · 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-2026-000086284
StatusPUBLIC

Content hashes

Canonical text6466d6a2c909731ff728a2e31ed56eac09abd7ed64459c859853faa984c38743
Markdown8f5d8f62935ce020527fd1bd2569fd99b5fc68300816c0aa34293fd23444cfb1
PDF
Publication page7364f2a9ed21903547204721e166c00d6df2ac422bac5e2a2a69fdee7c42bdd9
Manifestb7a9863f04cacd0481a8b8a2605a34f2c76507c1a355f544c029e4cb442e92a8

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
Signature4r61A8SsYLaJdhLcywXL9QRDoz2sbnAi6wD0L0pBJ/Z7ZPpHRPk0ZpWSyUoSMvZVwNzODeloY2OtPkQhmoyrBw==
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

2026-09-17T09:51:57.513750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086284
observed 7364f2a9ed21903547204721e166c00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.496847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086284/manifest.json
observed b7a9863f04cacd0481a8b8a2605a34f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.478798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086284/publication.md
observed 8f5d8f62935ce020527fd1bd2569fd99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.460799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086284/publication.txt
observed 6466d6a2c909731ff728a2e31ed56eac...
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.