OpenTechnical

OT-2026-000023247

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023247) never changes.

Identity and time

Publication numberOT-2026-000023247 · never reused
Internal UUID01a0ae70-7267-7564-9b39-61de2dd27286 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023247
StatusPUBLIC

Content hashes

Canonical text942fe79e7c6d03a23d48bd49ad355ad2eeb006e22af7f7f7d815774e325e7503
Markdownb05efa5cab66bcd1f7c03d245552422d9324c960653d25e2cff5fbf28e4433ee
PDF
Publication page6583a5b1ff721edbfbb192c4698a9d1198f61d6f9f7ac4f306c0c7e272e5684a
Manifest143ffcf72816444af758ddf554afde6408a2309a074c99967b17dbde4d96327f

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
Signature1jI2d+IuZPDAsHyJdZnysj9gjF+05NvqVVDCfJs3WRIWTdtjck/mndeEO6zaAY++wU1G+/yVZpbJDZQo89BrCA==
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

2026-09-17T11:51:18.795058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023247
observed 6583a5b1ff721edbfbb192c4698a9d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.776338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023247/manifest.json
observed 143ffcf72816444af758ddf554afde64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.757718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023247/publication.md
observed b05efa5cab66bcd1f7c03d245552422d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.739568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023247/publication.txt
observed 942fe79e7c6d03a23d48bd49ad355ad2...
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.