OpenTechnical

OT-2026-000080513

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000080513) never changes.

Identity and time

Publication numberOT-2026-000080513 · never reused
Internal UUID01a0ae96-7e78-75e6-abf1-9f54dfa10056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080513
StatusPUBLIC

Content hashes

Canonical text2b35d9be3ac10eaa12c87849b6eea4ca36dd7cbc37b00520522e4ec63b1ddcf9
Markdownf06ca53f6bc99e8111fa67cd5bee92c45b96ba80aaff8064cb47b63f7fd595a4
PDF
Publication page25376097942caf1f46230c991fecf9ef55b395821523ebb950f235cd274c8688
Manifest42eedb46e8a1f78b24678dc508b7addc40795120bc950631862954fd16b94118

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
SignaturetH0MDiVy0tLGkVqcW9eMphH1fxipe3J0JojCwWLzpKkqwp8AqYu3tbzI5icrANA0w2Wr5Ilnz+ukRdgiGI1zCw==
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

2026-09-17T10:03:02.077102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080513
observed 25376097942caf1f46230c991fecf9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.059185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080513/manifest.json
observed 42eedb46e8a1f78b24678dc508b7addc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.041783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080513/publication.md
observed f06ca53f6bc99e8111fa67cd5bee92c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.024099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080513/publication.txt
observed 2b35d9be3ac10eaa12c87849b6eea4ca...
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.