OpenTechnical

OT-2026-000091642

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091642) never changes.

Identity and time

Publication numberOT-2026-000091642 · never reused
Internal UUID01a0ae9d-43b8-7c2c-92f5-318c60c4b5a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091642
StatusPUBLIC

Content hashes

Canonical text095e722b19a5b042c33c187f8f3831dddfde979452021f394dbbbcbf4b4b8ee3
Markdown67e3f2ff81080c10709a9ad9999803c5aa4f08efe0ae92f01be8cbb60c642675
PDF
Publication page233441aec0f2374a113dfdff3d03dba8805c1c9888109824479150c5134d7419
Manifest75c455907d735fa2fab6705c4c608144016114b227de1c1661d23846df861973

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
SignaturehzpzaR8zSAWK+5ku0yvNmBMOwxUgN8CbN0ynFF3jdOoLLIh1Dh06VfT0bCX08QlOWaeXktdn75br9FrMK7b8AQ==
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

2026-09-17T09:42:00.701286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091642
observed 233441aec0f2374a113dfdff3d03dba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.683970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091642/manifest.json
observed 75c455907d735fa2fab6705c4c608144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.660154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091642/publication.md
observed 67e3f2ff81080c10709a9ad9999803c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.642797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091642/publication.txt
observed 095e722b19a5b042c33c187f8f3831dd...
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.