OpenTechnical

OT-2026-000037545

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000037545) never changes.

Identity and time

Publication numberOT-2026-000037545 · never reused
Internal UUID01a0ae77-b8ce-7a12-afeb-836c6591124f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037545
StatusPUBLIC

Content hashes

Canonical text901e342ec2f7df12f53b9378bf28f8bd1cd10859227134350ad93bb5af5cb93a
Markdown737ecde3cff102b5e5d60e21a5d6d7c7896867dbbc0b2b5ea5a99ce478dd7869
PDF
Publication pagee7c196f2624adb6f0f829726d7be4f1a87782bdd96a67da79eb18bc62df9fa92
Manifest7ff52d803278718958ad2a894b9d7be7bc10f7b8db3aad76e8536084dcfdc2ab

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
SignatureXftav3ay4HfVSkHGUgvRzPiibbbeFEnxlmfAFuZqlr+bFzhPCjtBVjvkwSwtHewRAGibfBtZndF+8ZlNgjFpAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:05.305471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037545
observed e7c196f2624adb6f0f829726d7be4f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.288697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037545/manifest.json
observed 7ff52d803278718958ad2a894b9d7be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.273757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037545/publication.md
observed 737ecde3cff102b5e5d60e21a5d6d7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.257479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037545/publication.txt
observed 901e342ec2f7df12f53b9378bf28f8bd...
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.