OpenTechnical

OT-2026-000080251

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000080251) never changes.

Identity and time

Publication numberOT-2026-000080251 · never reused
Internal UUID01a0ae96-7e77-73dd-9b6b-5fbb335757ae · 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-2026-000080251
StatusPUBLIC

Content hashes

Canonical text1b13a7abbb2d1981191a2e600fbe8a293eceac6f1fa0d4143a770b30eddeeb2a
Markdownb29b6d80d157f0f205f6ef67dd4469976f44438c7e006f880e66001143218023
PDF
Publication page9c3bd90e1c981d4b8990773c0a87342c4700a535a4f784d837af02b560afa4bb
Manifestcb3ad53817ebc32c5fe51b56fd792a4822f50fefe7ee9bdb181886a9dc348a1f

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
SignatureEG58Dicxabok8gmPICmshkC9g7hJw++vTffCP/N67al+lrq3Uruxx9J4xq2HdEHIlhpscpxh80H/hWIuzkc+DA==
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

2026-09-17T10:02:42.716911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080251
observed 9c3bd90e1c981d4b8990773c0a87342c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.699590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080251/manifest.json
observed cb3ad53817ebc32c5fe51b56fd792a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.682464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080251/publication.md
observed b29b6d80d157f0f205f6ef67dd446997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.664556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080251/publication.txt
observed 1b13a7abbb2d1981191a2e600fbe8a29...
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.