OpenTechnical

OT-2026-000015715

Publication integrity record

Foam pad 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-2026-000015715) never changes.

Identity and time

Publication numberOT-2026-000015715 · never reused
Internal UUID01a0ae6e-0c4b-72d8-9e87-d8748b070fca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015715
StatusPUBLIC

Content hashes

Canonical text840c2418bfbe26f7d8cea2fe62b1b4b9c246707ee6c6cb1916332d3ad7b3ec1f
Markdownb9914dc96011396117d19f0d555736c3447b28562adc76019fc656bb44d8691b
PDF
Publication page13384c72423ca90273117bd17dd94f304e181c752d4158108445ffc84fd344d6
Manifesta4fe1ec5935e559d5e74b9b652a5ccaa63f159746ecb3b6584ab111d4064ac91

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
Signaturekj9OMc+LLR+vehfsRfEYbWVO3stpxyOHknAV7IXP6915mWXjNuCfeqewntxCqpCKGvCDquUHrU+KUMYiLyUnCQ==
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

2026-09-17T12:04:59.815326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015715
observed 13384c72423ca90273117bd17dd94f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.798650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015715/manifest.json
observed a4fe1ec5935e559d5e74b9b652a5ccaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.782900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015715/publication.md
observed b9914dc96011396117d19f0d555736c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.765916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015715/publication.txt
observed 840c2418bfbe26f7d8cea2fe62b1b4b9...
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.