OpenTechnical

OT-2026-000015142

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015142) never changes.

Identity and time

Publication numberOT-2026-000015142 · never reused
Internal UUID01a0ae6d-ef47-79f9-8cdf-d921aba0382f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015142
StatusPUBLIC

Content hashes

Canonical textaec442e270eebc92a4d4767ae90a187e9cd99a07c442e68f4774b8ff1f9c96f8
Markdowna27cdab87b3508a1d51e314a7b2c0663e8c2b55448dae21ca08391108608ef61
PDF
Publication pagef680545647afa7d7e8225a396cd0c474e8855d7371b4c312fd8c9caec8462236
Manifesteaf9dbcea26477fbc96ebfe5a79c9f7406621c682ea3fb66f9ec5305f226ff3f

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
Signaturexx1m91P1UxAKaXLcgKM64zrK2X2MTcTLrt90WbKPH5LK6Hf8PrvlnC/DkTn6/ylyenQ02cZ1oPVhdJ0Tj45vBQ==
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

2026-09-17T12:05:44.791031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015142
observed f680545647afa7d7e8225a396cd0c474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.769937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015142/manifest.json
observed eaf9dbcea26477fbc96ebfe5a79c9f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.751073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015142/publication.md
observed a27cdab87b3508a1d51e314a7b2c0663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.732156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015142/publication.txt
observed aec442e270eebc92a4d4767ae90a187e...
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.