OpenTechnical

OT-2026-000038543

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000038543) never changes.

Identity and time

Publication numberOT-2026-000038543 · never reused
Internal UUID01a0ae78-2d53-7ae5-a008-493d32887d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038543
StatusPUBLIC

Content hashes

Canonical textd3de1ac70bce5a52daac48feea8f986cafed9df25cc5ab8ea4db59e0ae821f2d
Markdown34ce7668ebfb790efc7a7bccad2e23659f09e8c14c1ce64ad24e7cca89251d47
PDF
Publication pagee7473b37d83453fea9d75e585e1f44d63cc19468df26bbd3e6ac374d44483a52
Manifest36fe73656d99fc36f48241030e301330a5b8fc9bb6ea49d48bd95b53c887ccaf

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
SignatureqqLkqfx8x5xml3ZYpcxDJvI4BgneHgsZWpwB0IyGZBbvsVovONPf3IVC1OyXWmTUF8H+NkPBZbqA83V4mKnXCA==
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

2026-09-17T11:22:48.283869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038543
observed e7473b37d83453fea9d75e585e1f44d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.267336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038543/manifest.json
observed 36fe73656d99fc36f48241030e301330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.249440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038543/publication.md
observed 34ce7668ebfb790efc7a7bccad2e2365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.230949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038543/publication.txt
observed d3de1ac70bce5a52daac48feea8f986c...
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.