OpenTechnical

OT-2026-000031717

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031717) never changes.

Identity and time

Publication numberOT-2026-000031717 · never reused
Internal UUID01a0ae74-bad0-7760-89e9-b17e75d556cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031717
StatusPUBLIC

Content hashes

Canonical text32390ad0161f236b010c0a5dba68b86fc866597886f912c71d7b36affe8cf47a
Markdown544b48e6746cf6753fd8aa4959b1cfcdde172c8796977ed7008c0d05f9e32bde
PDF
Publication page02aa22c4f2aa8704db879e406cd253dd57a339a9228d9645b0c252ba6d5be03f
Manifestc2f7c71cd34dbdcc18ecaed034ba515516d6ad6ac3a58bd64a3263a98e9abfea

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
Signature2mkweq7ATyRrfvswlSpRdecZD5Vy873cDLLR8w9OVbLpNGQ4aeb+TbyHyQB/bAVXOGnaAzeZbsM9DphkO5TFBA==
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

2026-09-17T11:34:49.678601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031717
observed 02aa22c4f2aa8704db879e406cd253dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.660920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031717/manifest.json
observed c2f7c71cd34dbdcc18ecaed034ba5155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.642918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031717/publication.md
observed 544b48e6746cf6753fd8aa4959b1cfcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.625524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031717/publication.txt
observed 32390ad0161f236b010c0a5dba68b86f...
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.