OpenTechnical

OT-2026-000090659

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090659) never changes.

Identity and time

Publication numberOT-2026-000090659 · never reused
Internal UUID01a0ae9c-7f30-729a-80bc-ddd6f700fb55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090659
StatusPUBLIC

Content hashes

Canonical textaf3e0e47c1164b10d2fdf707a05eebba90daeccc87c70041da1d844ccee7127e
Markdownc03d21f6ee4a312242680246b17e9d39bc28c707facc4f2f7a64f262edb53ff2
PDF
Publication page546af9af75ee71c1c8554b09d881d16d9af55ea1261e348875c3858fa9d77aff
Manifest85b584362676708e70d3acd1cd2aedaec406bf626132f86ad2eaec9f0aa4ffce

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
Signature+qBZfNf76mHZkAK/G7wHa2XoTI80QMWREEhtSZlkPRNMvBYRLkTcNcHgZnGRAdRr8Y51eDNX0k3uhZNk4q52CQ==
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

2026-09-17T09:44:51.058992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090659
observed 546af9af75ee71c1c8554b09d881d16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.041968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090659/manifest.json
observed 85b584362676708e70d3acd1cd2aedae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.023865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090659/publication.md
observed c03d21f6ee4a312242680246b17e9d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.006764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090659/publication.txt
observed af3e0e47c1164b10d2fdf707a05eebba...
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.