OpenTechnical

OT-2026-000083535

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000083535) never changes.

Identity and time

Publication numberOT-2026-000083535 · never reused
Internal UUID01a0ae98-0415-77f7-83db-f1047dc7f345 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083535
StatusPUBLIC

Content hashes

Canonical textb08bf13c2ada41be1be9f4cd814b78d14fc6c0d350b104b9f8b0f254bb6a31a7
Markdown188f82a93ed0d834e33724c6562164e3976170b0f64dda01ca0ed7abecc593c4
PDF
Publication page518a9413c3541469e3c04a87c676e62b97c89b3505f34226a49097d8e48f5ade
Manifeste3cf121e0905edc06c1d6ea0b0829a5db60bb14576d51047b274b54081453760

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
SignatureHTzofUDSEL3/AF9Zd/m9st9vam4pTjwtIKweTnqWUIMgeu6n8KQNU6S2BkcUjRUVMYJpweYp5e6H5BaM6QcoAA==
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

2026-09-17T09:56:31.188957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083535
observed 518a9413c3541469e3c04a87c676e62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.172404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083535/manifest.json
observed e3cf121e0905edc06c1d6ea0b0829a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.156109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083535/publication.md
observed 188f82a93ed0d834e33724c6562164e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.138229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083535/publication.txt
observed b08bf13c2ada41be1be9f4cd814b78d1...
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.