OpenTechnical

OT-2026-000046548

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000046548) never changes.

Identity and time

Publication numberOT-2026-000046548 · never reused
Internal UUID01a0ae7e-57dd-7b6c-a0f6-3be8f9de5e48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046548
StatusPUBLIC

Content hashes

Canonical text273aaa85e48ff56b96be116c754d81b4bad677cf1d0fbb72cbb6309f87a44bb8
Markdown5b8f91affe9f5ff7d9593920408d447a49b1f5143e81ec013cad1361caf95f58
PDF
Publication page5fc09e72756617651e45518065aefa7287276d9ac742bd5a0cbf5654e362d66b
Manifest090fd410b847f94c95cd9873a2570cd7ad99852cfc51f2139dcc3e233c2feaf1

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
Signature45rwNw7UrGOPWpakHTXFzpLxk3k0hU3NY0kL/gob8PkH3jW8WsBqwfr94Pdfrgm3GcaiM2NyIHtvYETj/p3ABQ==
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

2026-09-17T11:08:36.380657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046548
observed 5fc09e72756617651e45518065aefa72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.363964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046548/manifest.json
observed 090fd410b847f94c95cd9873a2570cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.347211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046548/publication.md
observed 5b8f91affe9f5ff7d9593920408d447a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.329575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046548/publication.txt
observed 273aaa85e48ff56b96be116c754d81b4...
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.