OpenTechnical

OT-2026-000086503

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000086503) never changes.

Identity and time

Publication numberOT-2026-000086503 · never reused
Internal UUID01a0ae9a-2c97-714d-bda2-a28a8d514411 · 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-2026-000086503
StatusPUBLIC

Content hashes

Canonical texte3aa5cac1f17906965b7c49834b336f64edb31309ddad012e957ee59885e8023
Markdown3d3a782e2feed8f62fef3ea1542855a42c21a06ea60ae8879b82956d3f94c901
PDF
Publication page5ab9d16555b3f6e3839536a9917881bcb0cc46d2e6804046f535e80d973140e9
Manifest6dd06293fd58934794e8990787a2f6e94816b148ef8e9b425e9b092241f3c18d

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
SignatureWvNM3CrmFMQHZp+tUQXetb0+mPwotf++zLvyCD9Bc44u++4mWFpWlmO+ZTFNXgaVItnOBL6K7axNJuNTGgf2BA==
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

2026-09-17T09:52:19.292927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086503
observed 5ab9d16555b3f6e3839536a9917881bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.275746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086503/manifest.json
observed 6dd06293fd58934794e8990787a2f6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.258607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086503/publication.md
observed 3d3a782e2feed8f62fef3ea1542855a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.240192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086503/publication.txt
observed e3aa5cac1f17906965b7c49834b336f6...
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.