OpenTechnical

OT-2026-000102420

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102420) never changes.

Identity and time

Publication numberOT-2026-000102420 · never reused
Internal UUID01a0aea4-8589-7e6a-b7a4-6c5ccdad7870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102420
StatusPUBLIC

Content hashes

Canonical text163daf225eb800e095583076c8ab57a7fce0bd0de25061bafa9e88664146b250
Markdown28558bb7677d4491a43bfd724745eb8f4884d5ca29fc8fe63cf02f49aa5979e5
PDF
Publication page7c6f6978855be5856b2482fc4a7e25add3deebeff794a0484ee5ebaffc9c73ab
Manifestae818bdf8621adb6189287f980659d9d6fc76e79075f1ebbb29fec05aecd2028

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
SignatureyfdIj4diK82sUhO9hSviepBvYFp8Eja4fYjBPa2tbZVPFKHgxHVh1mlMQOIFAX2ozoyC5CDAWsmBZF9AYEbtAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:45.739788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102420
observed 7c6f6978855be5856b2482fc4a7e25ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.720310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102420/manifest.json
observed ae818bdf8621adb6189287f980659d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.699934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102420/publication.md
observed 28558bb7677d4491a43bfd724745eb8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.680819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102420/publication.txt
observed 163daf225eb800e095583076c8ab57a7...
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.