OpenTechnical

OT-2026-000086322

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000086322) never changes.

Identity and time

Publication numberOT-2026-000086322 · never reused
Internal UUID01a0ae9a-2c96-7dae-a808-b63cb6e57344 · 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-2026-000086322
StatusPUBLIC

Content hashes

Canonical text7d9e468fb852015521c5592ba227ddd0abf02447fdeb6366aa2a045ec82a2e6b
Markdown44964f5696a7394166bc86d29f5b9b3778d74ba2f097c81047743ca0f230e424
PDF
Publication pagead11fd7b74eb47fbd63c8cbcfb1f75412d1867e6e7f6be0f4631e10b9d0bd4c1
Manifest51c739fcba505f25ea90e956778e5d6b65bb2f7da0c5db9eade46c81faae5aa7

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
SignaturePOL9zdTSVl1ooPt8rJADRPnVm8ovCmcvmEmb7Jw2iD2QdKT3usxZkGLtUVdHjlwR8Y4H3k/zYyq2CekVgw/KBw==
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

2026-09-17T09:52:00.566041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086322
observed ad11fd7b74eb47fbd63c8cbcfb1f7541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.550021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086322/manifest.json
observed 51c739fcba505f25ea90e956778e5d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.532355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086322/publication.md
observed 44964f5696a7394166bc86d29f5b9b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.514730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086322/publication.txt
observed 7d9e468fb852015521c5592ba227ddd0...
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.