OpenTechnical

OT-2026-000089100

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000089100) never changes.

Identity and time

Publication numberOT-2026-000089100 · never reused
Internal UUID01a0ae9b-daff-79a7-9a23-6023c4d18a18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089100
StatusPUBLIC

Content hashes

Canonical textfdce49838cb68161f5c0668b1e5db7eaf6f212d839fe8f3a7a53b8452496b9c0
Markdown676c2e2590d71f74f81fcd5009f072a07469f20fd54bbe45357d36284985a8be
PDF
Publication pagee5a723a7c12c852cc36cda377a598418e9a07a88349426c2d73e68b777350169
Manifestb8a4c1ca6c8c721a351954714ce088d35e54c2c743417fe37ab452d5e5104569

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
SignatureW0of7ZAtmH+Q8eCSV+FS5ZcsO2eCqBF2nRe09ZlBnIiEEv4kK/Q0HKohICQdUnU+B2ybn4MHtClS0efxRpC7CA==
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

2026-09-17T09:47:00.512515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089100
observed e5a723a7c12c852cc36cda377a598418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.495042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089100/manifest.json
observed b8a4c1ca6c8c721a351954714ce088d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.478982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089100/publication.md
observed 676c2e2590d71f74f81fcd5009f072a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.462800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089100/publication.txt
observed fdce49838cb68161f5c0668b1e5db7ea...
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.