OpenTechnical

OT-2026-000078139

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078139) never changes.

Identity and time

Publication numberOT-2026-000078139 · never reused
Internal UUID01a0ae95-6e8c-7ac8-aead-e45902b0225c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078139
StatusPUBLIC

Content hashes

Canonical text3482b01d8e7c12787a7f683118291e89ba15a6527cadd70ae00c68c2d9ac08b3
Markdown8b944dee9efb8ed325def757bee90a6d7bb3ef56594fc8dafdc5b71012770364
PDF
Publication page1971babbd068092c04b8f93ea0da16026490efc16b10514bb6d457ed94aa12a1
Manifest94659347b66fd48f91ab045f1cb5bcabddd5dfbfcc54fa876f6ce0870a86d908

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
SignatureboM5yqivUN4ewzeQwgiiVvkry7uS/UWrKjVH7zgyv2tssfY1cllPsAy2QDb76mFR1TOsSyI2CetysU2xUpMWBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:51.069214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078139
observed 1971babbd068092c04b8f93ea0da1602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.049979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078139/manifest.json
observed 94659347b66fd48f91ab045f1cb5bcab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.029197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078139/publication.md
observed 8b944dee9efb8ed325def757bee90a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.008012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078139/publication.txt
observed 3482b01d8e7c12787a7f683118291e89...
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.