OpenTechnical

OT-2026-000044038

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000044038) never changes.

Identity and time

Publication numberOT-2026-000044038 · never reused
Internal UUID01a0ae7b-d679-72b1-80f5-1b9cb1824a3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044038
StatusPUBLIC

Content hashes

Canonical text2a109fa24265248a2f06c995b69ba070a66828650b7d7ae19cbf89ebb005d2ce
Markdown540573acd699831842cd76575f654aca2c25787f9f16cf3181f97253c0d15d0a
PDF
Publication pageb08d8cb58441115b182659f8062f8bc3be26607f96768f45456b025be873b5d6
Manifest2f11b232523871ab010ef6d688459271997a2cec29e7badd4c0f89cad8798169

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
Signaturei56MBGbCMILven72XnxUQqNYfEiqy3RXqCZMvxGFeuhIeaLGqZilmOIjldtWxDwgitQhB/0iPxwydAjytc/sDQ==
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

2026-09-17T11:12:25.672591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044038
observed b08d8cb58441115b182659f8062f8bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.653493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044038/manifest.json
observed 2f11b232523871ab010ef6d688459271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.635856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044038/publication.md
observed 540573acd699831842cd76575f654aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.617794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044038/publication.txt
observed 2a109fa24265248a2f06c995b69ba070...
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.