OpenTechnical

OT-2026-000015642

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000015642) never changes.

Identity and time

Publication numberOT-2026-000015642 · never reused
Internal UUID01a0ae6e-0c4b-708e-b2ef-1e46a94cb5ae · 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-2026-000015642
StatusPUBLIC

Content hashes

Canonical text9b99652e5b9a59d812fed4edb092a035e2bf5bac99637f4b42fb275b831319cc
Markdownb417595cbdec2b023267db680cfe3f3637e2afa9a384c663effbd4a08e8bf8c0
PDF
Publication page1bab4cd6dbd8bd949f97b3c9cbf8b9732ccb43bffe534fd8330137c707051f14
Manifestc66ccb33ad12464b39c3711ec1542ea511efb4539bfd282a8bc165d89766da77

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
Signature3bIERPNbAS20rcghDg3pw4KRfb2TdL9MqD0H07YzX0Ewzdnj/4FicgMHN91fIZzzSm2ansz+NSYXHh3FFWH4DA==
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

2026-09-17T12:04:53.966865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015642
observed 1bab4cd6dbd8bd949f97b3c9cbf8b973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.948572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015642/manifest.json
observed c66ccb33ad12464b39c3711ec1542ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.929309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015642/publication.md
observed b417595cbdec2b023267db680cfe3f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.911101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015642/publication.txt
observed 9b99652e5b9a59d812fed4edb092a035...
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.