OpenTechnical

OT-2026-000033054

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000033054) never changes.

Identity and time

Publication numberOT-2026-000033054 · never reused
Internal UUID01a0ae75-4843-7594-bb13-9af42fc4e745 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033054
StatusPUBLIC

Content hashes

Canonical text8901dbbd03e5f404cd31144b5d7b8fbe3c4e03ae4f376c8624ea07ce4487d14a
Markdowna02202a48ce5906c2a0c18f35c3509607426055310955cfcc2609230e3d54ffe
PDF
Publication pagea48050cc808e20811dfcea70f1a8cae4bbc6acc15c7d78689fbdae3dc5484033
Manifestda3e0e296b58be163ab9952b6a65a28bdf37fc3fdae909e7d2ca2b5b48227ddb

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
Signature+CTrK245KwdzXt5/0RruKLBvXckZ6LvazKjHNTZ8kNPky1Z4vNOhubi7Qla27Fumnuy1dKvG40Xy0kgOfej+BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:41.718773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033054
observed a48050cc808e20811dfcea70f1a8cae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.700208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033054/manifest.json
observed da3e0e296b58be163ab9952b6a65a28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.683336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033054/publication.md
observed a02202a48ce5906c2a0c18f35c350960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.659530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033054/publication.txt
observed 8901dbbd03e5f404cd31144b5d7b8fbe...
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.