OpenTechnical

OT-2026-000010815

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000010815) never changes.

Identity and time

Publication numberOT-2026-000010815 · never reused
Internal UUID01a0ae6c-540c-7f8b-afd0-97cf747b6003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010815
StatusPUBLIC

Content hashes

Canonical textcbd1878f0e42bda62574cfd5a80879809674ff76d86009267caadc1683c870c6
Markdown171722a7e86b4e735b7204c04c31fbd6e2b1d064a85c2817cbc66760f8589ca5
PDF
Publication page62e19aab216c9e305c37e7818139369e31374ff8dab16a9e34bcabcfc77893fc
Manifest52b7966b25a3b7f1f2141f1b37b46222c66c649416aa67ba63a77a7207e2c7e3

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
Signature3UojC48pPhOEqSJ74wrbuh2V9P5GEZAGYj7RRvWUpQV3VFlP/sEZx37CRZIJF0BpUjyY3Y7FhVqrnvHFpTh5Dw==
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

2026-09-17T12:13:32.894193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010815
observed 62e19aab216c9e305c37e7818139369e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.876327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010815/manifest.json
observed 52b7966b25a3b7f1f2141f1b37b46222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.857500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010815/publication.md
observed 171722a7e86b4e735b7204c04c31fbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.837821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010815/publication.txt
observed cbd1878f0e42bda62574cfd5a8087980...
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.