OpenTechnical

OT-2026-000078974

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented after set-down

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-2026-000078974) never changes.

Identity and time

Publication numberOT-2026-000078974 · never reused
Internal UUID01a0ae95-ccbe-77bb-820b-34df2da8d9eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078974
StatusPUBLIC

Content hashes

Canonical texte73907611dead8f59a4def3a26b96be06773630eaf8845681a6cd3c38bee1216
Markdown383b5672683895b50ca84c9c78a5ee19ce60c9b3ee988ffa2c5ae67d55d5ab18
PDF
Publication pageff5e99b5fe7294cd78e86a45f754b1e94b5c63ac3101ab075226996942ca4eaf
Manifestbd5807999c23271b6e5aff37f514d7bc7db328c46750795b9e0290ac06271da7

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
Signaturex4430WHBaa8h5OVeJXRwZiRgjD+cbdk8RA6eW0HLWIbxag79za4Vai80WOpnpbO5QF04tvvLt42d8gPNGg75DQ==
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

2026-09-17T10:05:48.114122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078974
observed ff5e99b5fe7294cd78e86a45f754b1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.095611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078974/manifest.json
observed bd5807999c23271b6e5aff37f514d7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.078828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078974/publication.md
observed 383b5672683895b50ca84c9c78a5ee19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.061555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078974/publication.txt
observed e73907611dead8f59a4def3a26b96be0...
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.