OpenTechnical

OT-2026-000074751

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000074751) never changes.

Identity and time

Publication numberOT-2026-000074751 · never reused
Internal UUID01a0ae93-ac2b-79e1-9f38-42b8da98bb36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074751
StatusPUBLIC

Content hashes

Canonical text594c347056d883380c294feda8613950396aadbeb33497cf23f7375b477c45c9
Markdown46fa60cfc1066c6e732e06a107b79aa0c8eed5631695a0c9d6b4d74ff23c685c
PDF
Publication page6a9b0610e98e056730a04a6d24dc30caab2405cbcdd086b08f4d86cc2cb7c626
Manifest452e73b889528f3768c3fe011c2694d4aa14b2c3619c707e6551bf80da299fcd

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
Signaturek45Wm4AK9pUj210fL6fLQaWN7jo5799UdEv41vYIeMrb2r4I66rXE3wl2c7cL1o1+LJapc+8fyQsVmTFFbqWCw==
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

2026-09-17T10:18:26.320307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074751
observed 6a9b0610e98e056730a04a6d24dc30ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.302222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074751/manifest.json
observed 452e73b889528f3768c3fe011c2694d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.282917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074751/publication.md
observed 46fa60cfc1066c6e732e06a107b79aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.263455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074751/publication.txt
observed 594c347056d883380c294feda8613950...
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.