OpenTechnical

OT-2026-000074969

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074969) never changes.

Identity and time

Publication numberOT-2026-000074969 · never reused
Internal UUID01a0ae93-ac2d-7ee1-83bf-ad8ef3420fd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074969
StatusPUBLIC

Content hashes

Canonical textf91e96810a57f3c5e0d5d3e435b204711a0e5663e034fc723e88cde0f6bcc3b8
Markdown3828d7539308befa0626d190d861f5d345d21adca05b3ef7052d648232dea1e5
PDF
Publication pagef3a6b1f9cf0c0faa8fde050590d31ce17d7c7f9482da402d8abe39ce14d67757
Manifeste244fb75c3cf91058911da27950e82443d6a074ead66d22f7466764a10b65352

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
SignaturegC+dEVxvOMDhAZlkJZ3YF5CtplzcKpJJ+ZdFed1KM9d/kifqsxFZ68J7nogws2/A0yBorkfbDlcnbov5Bz5aDg==
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

2026-09-17T10:18:46.264572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074969
observed f3a6b1f9cf0c0faa8fde050590d31ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.246724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074969/manifest.json
observed e244fb75c3cf91058911da27950e8244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.229759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074969/publication.md
observed 3828d7539308befa0626d190d861f5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.209497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074969/publication.txt
observed f91e96810a57f3c5e0d5d3e435b20471...
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.