OpenTechnical

OT-2026-000015573

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000015573) never changes.

Identity and time

Publication numberOT-2026-000015573 · never reused
Internal UUID01a0ae6d-ef4b-7131-aadb-e5e7e5531571 · 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-2026-000015573
StatusPUBLIC

Content hashes

Canonical textc9f13d6303a3a7216a691d1a6c8ae5e004e966d561c0d1b6543054a0172d7263
Markdown5b84f48146325a0d85a24ff892016702a54ae52b540ccdb12f2da26b5fb8df18
PDF
Publication pagecb1f682476d245d98633aa064f6e239c12317f2168bfcb0c86aa078469176cf3
Manifest96a98c54961e70e64bacb4fd966d34e83cf9795d404b227672f060d7a7f40b45

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
Signaturej9U1QXiCcUw5RoHecQURpj685lRP9+gWa2U69oPDEtpYmCMTlmZPQm8fCXWaOK9QS6WwI/hgZMZiiiXi36MUBg==
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

2026-09-17T12:06:21.970358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015573
observed cb1f682476d245d98633aa064f6e239c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.952220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015573/manifest.json
observed 96a98c54961e70e64bacb4fd966d34e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.933268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015573/publication.md
observed 5b84f48146325a0d85a24ff892016702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.913555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015573/publication.txt
observed c9f13d6303a3a7216a691d1a6c8ae5e0...
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.