OpenTechnical

OT-2026-000099290

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000099290) never changes.

Identity and time

Publication numberOT-2026-000099290 · never reused
Internal UUID01a0aea2-8289-7561-8fab-d88938d37fc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099290
StatusPUBLIC

Content hashes

Canonical text9fa9c7f58dae09d4378f35084c87a69466be03a05257fe32d323f4f04366e375
Markdownffe0111facf1da6e34511e34a3b1cf41d62b2ed8eac583d8c2842fe5a942d071
PDF
Publication pageba26959633d52d5e1ce3b97e2f35b3b8b5fc8f924b82cd09432d6f42ac016af2
Manifestb4f659fb62058d9e8888e03916931bedf61cf3266517f90177a1c41442840b24

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
Signatureemrlg91kiYt99MshSCGb+bqUs61pqJQBx7NbCPet7g6mUko3txDs7dA/Vg04glpTKJhvSnYpdsibDQGlPQNeCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:45.049910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099290
observed ba26959633d52d5e1ce3b97e2f35b3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.030604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099290/manifest.json
observed b4f659fb62058d9e8888e03916931bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.009943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099290/publication.md
observed ffe0111facf1da6e34511e34a3b1cf41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.992071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099290/publication.txt
observed 9fa9c7f58dae09d4378f35084c87a694...
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.