OpenTechnical

OT-2026-000067854

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000067854) never changes.

Identity and time

Publication numberOT-2026-000067854 · never reused
Internal UUID01a0ae8f-c4fb-768e-b4a4-822863b527a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067854
StatusPUBLIC

Content hashes

Canonical text008033cf44046271d4ea786f81549f30e6188c1f246eb328eb4c73cb0ff1cd15
Markdownf8597dd145a2677627148ac9a6b107ed284efd1136ab02594e1a22e4f9af4c4d
PDF
Publication page741748dd99155cc77c3816d257a590eb92c8a59c9473a1b9efda9cd7ce591616
Manifest574b5bf66e0b02fab45c4d11fbd25051bdbb4cd509015614cf51067d0ea68c86

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
SignatureojYpAu9LXNXHMkB37aMhCzuvsIabG29+PZDUnSJPlqT6WKPKoucaBES1xADh6x0pdXvMrDiwYAKExGTJopiyAA==
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

2026-09-17T10:30:07.011707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067854
observed 741748dd99155cc77c3816d257a590eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.993256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067854/manifest.json
observed 574b5bf66e0b02fab45c4d11fbd25051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.973909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067854/publication.md
observed f8597dd145a2677627148ac9a6b107ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.955267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067854/publication.txt
observed 008033cf44046271d4ea786f81549f30...
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.