OpenTechnical

OT-2026-000102336

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000102336) never changes.

Identity and time

Publication numberOT-2026-000102336 · never reused
Internal UUID01a0aea4-50f4-7094-aa2e-f141948db483 · 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-2026-000102336
StatusPUBLIC

Content hashes

Canonical text71c457f24ec732625848977f72970115c15eb0cf6f07e0bd13da3c40f277ca07
Markdownc15ef5580cbfb8eebc4a87a77a4867e9b040545cf0870e08828e39ca0a4bb5b6
PDF
Publication page1a3da64023460fc0c1e649d9754b5b743d1e5db5816746384048650ce61d0275
Manifestfe407ce08649dd3584b73fe7363c2247bb12c8f189bc6df1e16891ab51c76c96

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
Signature4bYxoXKSXfZt+Apkckhn2EYoNBMRKFJx+avqpkn1dmDZ3r4JuyewBF43lKTBkeqfkCzlP3rLb/e9zEwwP/LDAA==
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

2026-09-17T09:25:32.607530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102336
observed 1a3da64023460fc0c1e649d9754b5b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.589149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102336/manifest.json
observed fe407ce08649dd3584b73fe7363c2247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.569827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102336/publication.md
observed c15ef5580cbfb8eebc4a87a77a4867e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.551118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102336/publication.txt
observed 71c457f24ec732625848977f72970115...
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.