OpenTechnical

OT-2026-000027313

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000027313) never changes.

Identity and time

Publication numberOT-2026-000027313 · never reused
Internal UUID01a0ae72-6997-7e31-9317-b04d4938acc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027313
StatusPUBLIC

Content hashes

Canonical text3d807af07b8814d2a7379d59905ce474514a15c5abdcd040b23f77e412db4c6f
Markdownd3c34ce10ea2e1a35953b5eace5e1a11f6645ba1fd778c1271da2d1aff089fa0
PDF
Publication page060a8c92bf21874850f58e970a0ef2c6ae2eefb9576d57c976a7962a9362e6aa
Manifestcc53d310083c8a57b7a10053423188282682e6026fb16be64305ca8b2e70499a

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
SignaturegRPUTZ7QwMtJ21aUt/qJxxgf1IQWPbKHQ7oDZYJlIoGpAKzvvI+1jUKWC/4emTMDVo2Eunppjjad5RxiCc6aBg==
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

2026-09-17T11:42:42.454307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027313
observed 060a8c92bf21874850f58e970a0ef2c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.436473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027313/manifest.json
observed cc53d310083c8a57b7a1005342318828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.420678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027313/publication.md
observed d3c34ce10ea2e1a35953b5eace5e1a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.402866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027313/publication.txt
observed 3d807af07b8814d2a7379d59905ce474...
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.