OpenTechnical

OT-2026-000072223

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000072223) never changes.

Identity and time

Publication numberOT-2026-000072223 · never reused
Internal UUID01a0ae92-47c2-7a95-9b66-af6d6f277691 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072223
StatusPUBLIC

Content hashes

Canonical text024a4f6c54574d98a8035d7234eb88e3ef5dbcb5a184ef4cf24a3e797503c552
Markdown7fe010b273ee02f8fcd61a66a1044fe935ed33b62e3988700b2a8580cabeaa6c
PDF
Publication pagef36c8d1d81d6f048b6b00c5b94c5f435190553c0198893ea2b83ba1e7c55b531
Manifestf7c13b3dd3f6f5deba4fc22013900aa28e4fd2be0b89d4684019debd70c1ab3d

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
SignaturewFFfb+EcvWq3jvmL3mwNxc7cOOgAeq4D6yPC6DyObfCrSUmpXp+WKOMnMc+rIkaq8nrjwWMACbuDnPvA/pgJDg==
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

2026-09-17T10:23:19.628118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072223
observed f36c8d1d81d6f048b6b00c5b94c5f435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.610834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072223/manifest.json
observed f7c13b3dd3f6f5deba4fc22013900aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.578742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072223/publication.md
observed 7fe010b273ee02f8fcd61a66a1044fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.550881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072223/publication.txt
observed 024a4f6c54574d98a8035d7234eb88e3...
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.