OpenTechnical

OT-2026-000102027

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single 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-2026-000102027) never changes.

Identity and time

Publication numberOT-2026-000102027 · never reused
Internal UUID01a0aea4-50f1-7569-a65c-8be72cfcc196 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102027
StatusPUBLIC

Content hashes

Canonical text336a5eafc56cb271c2c428e2b1f421fff747ace3425845db14ef602c80165013
Markdown706bdd16f2d1a16955d38ac2b79a5aa04202d180be738497e5d6021c74dfae7b
PDF
Publication page8d1cd2362e094a1ae3cfb32274f43c0dd5590741faa119a1435edd61acae3403
Manifest2c262716a925d1a032076990012a389805c4bf670813fcd0fc77cfa6e9c3a35c

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
SignatureGcWAaD2TpHk9xWDTfso87dTn/wJMNOE8RopvhY+lE5ECh/CSJPHljgVyydObmTHD+q2yNybtEOuKZnl0McjGAw==
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

2026-09-17T09:25:09.712582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102027
observed 8d1cd2362e094a1ae3cfb32274f43c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.694631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102027/manifest.json
observed 2c262716a925d1a032076990012a3898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.676939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102027/publication.md
observed 706bdd16f2d1a16955d38ac2b79a5aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.658749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102027/publication.txt
observed 336a5eafc56cb271c2c428e2b1f421ff...
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.