OpenTechnical

OT-2026-000044401

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000044401) never changes.

Identity and time

Publication numberOT-2026-000044401 · never reused
Internal UUID01a0ae7c-39d7-7231-ae16-dd829abb3429 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044401
StatusPUBLIC

Content hashes

Canonical textd057d473e3eb7cc6192e2e057c25d826f10201bab1d8e88936897c659b54239a
Markdownbd4fd68a8b9a419b50e922d9aaa18b50cc46e426dbfe4074d804b5b0dbb713c1
PDF
Publication page6dba56945de30b836ffa53fd7a8688a01006c2902e2d5d2011d942368f7e08a7
Manifest1bf364eb27caae6b45dae555aef593a39cda8d1eb4c24791940e377ceaaccfa4

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
SignatureI7NKq6JFmZdVMm4f905Yvvti04G944z8gKqRmvUYjlM4l6iD3i7DotIOvLWUbvYf0unKjZBI1JJrA0+qQIU5DA==
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

2026-09-17T08:30:39.332222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044401
observed 6dba56945de30b836ffa53fd7a8688a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:39.315210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044401/manifest.json
observed 1bf364eb27caae6b45dae555aef593a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:39.297632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044401/publication.md
observed bd4fd68a8b9a419b50e922d9aaa18b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:39.280833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044401/publication.txt
observed d057d473e3eb7cc6192e2e057c25d826...
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.