OpenTechnical

OT-2026-000077201

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077201) never changes.

Identity and time

Publication numberOT-2026-000077201 · never reused
Internal UUID01a0ae94-f508-79d6-b62c-40412125f3d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077201
StatusPUBLIC

Content hashes

Canonical textd2316bbf7f46d1f273490c627f5031f90c7fffd69b4c195af33a2c114ec992b8
Markdown6db45378a5d16ead459e2e47ae35158f41f6a875abc119711150e4a865ff5f80
PDF
Publication page191fe6f6aeeb474248053e1ff47cfc45e72ed4ab7b6ab48862212fa4c12f3e29
Manifest41e10dc2c528cf8d03321f860854b66c0709b3e751963e112ced94d327d09100

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
SignatureyDjfTD3Z3BihbSKrfkyLKXWv5fCqplC3YR8OLEK8h8D4pJRLyd8tR0CCLuwWOKL0jjfwbGblfgTTO870QIenBw==
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

2026-09-17T10:08:47.799379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077201
observed 191fe6f6aeeb474248053e1ff47cfc45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:47.777681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077201/manifest.json
observed 41e10dc2c528cf8d03321f860854b66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:47.755196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077201/publication.md
observed 6db45378a5d16ead459e2e47ae35158f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:47.724858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077201/publication.txt
observed d2316bbf7f46d1f273490c627f5031f9...
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.