OpenTechnical

OT-2026-000079409

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, sustained 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-2026-000079409) never changes.

Identity and time

Publication numberOT-2026-000079409 · never reused
Internal UUID01a0ae96-0b91-752b-9a48-4a90aedf9f97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079409
StatusPUBLIC

Content hashes

Canonical textdfca0e8de657f9eb3ba0a264ea3c8d04630511004d936a76c97b447dc3fa1f8c
Markdown1cc6149ce148171094ced16212d70f84e595ad92144d2e89daed8b4f275a5c35
PDF
Publication page445ded5218d52cf1eac758c1b7e341412034861534b64a72d170362f86ce89d1
Manifestf367e8dbe320e0bdbf08bc9d7cf4f1bbc9edde737f03dc13589abd3df35536db

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
SignatureKvt3IenULaS73ER3eH8vB7LSQXOUl4909+VlXAfWI9d/A8RZMp6sPca+DJJuKnQDzQuXDVADCR8u/pGLF5FoAQ==
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

2026-09-17T10:05:02.001127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079409
observed 445ded5218d52cf1eac758c1b7e34141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.982182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079409/manifest.json
observed f367e8dbe320e0bdbf08bc9d7cf4f1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.963691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079409/publication.md
observed 1cc6149ce148171094ced16212d70f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.941733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079409/publication.txt
observed dfca0e8de657f9eb3ba0a264ea3c8d04...
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.