OpenTechnical

OT-2026-000089388

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089388) never changes.

Identity and time

Publication numberOT-2026-000089388 · never reused
Internal UUID01a0ae9b-db01-7e1f-9192-4c3bbd01192d · 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-2026-000089388
StatusPUBLIC

Content hashes

Canonical text3aede7f74b93dfad174e9769409586063cfcbc2dadbcf31b3463da73156b4c5c
Markdownf130f40e173d706a133cec9bfb2c77952fa30e2ae7f8dc4981853ea5e2562c84
PDF
Publication page54d278fd2289ae2aa7b6647764a44ad099a87aac16db449cb4d1a9acded43aac
Manifest8b397b247dc1730086d589162bc381577b0e4cd945bccd90d06825f73cfa46b8

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
Signature6Pxp29bCh2zRZTALmGovqPHVXHbO5KKQChwnlPuktxu16rd0kABSawojRz2EygVWo32T9uRlUG3qfXjNIpDOAg==
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

2026-09-17T09:47:31.619500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089388
observed 54d278fd2289ae2aa7b6647764a44ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.602266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089388/manifest.json
observed 8b397b247dc1730086d589162bc38157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.584675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089388/publication.md
observed f130f40e173d706a133cec9bfb2c7795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.568181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089388/publication.txt
observed 3aede7f74b93dfad174e976940958606...
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.