OpenTechnical

OT-2026-000016420

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000016420) never changes.

Identity and time

Publication numberOT-2026-000016420 · never reused
Internal UUID01a0ae6e-2d13-7c18-b90b-b47800bcd74d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016420
StatusPUBLIC

Content hashes

Canonical text6883b5b4cf51d275231f7a078cc8d5df2b7f3d4944b0701bbc7ef15329b8e646
Markdown7501488d0624c0d4caf009130f4cba640968d667f2216fff60cc8d01c1f0ab1c
PDF
Publication page12c23b0a3ea797a1eddc4b0044777d098cb5cb8bd4580ecc845856f31e988ddf
Manifest35adfb94181eea4b6249ae9399ffebd3c3bfcbb79ed63818364999d479e6b132

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
SignatureejYTwCo3Avsj6IK7uAnasJdDeevb8cyPK6AY8hQ0Nn/XFoRG1YeQhqDwosEDjU2/9V5PUKa/e3hs3I8/BP3YBQ==
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

2026-09-17T12:04:30.707830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016420
observed 12c23b0a3ea797a1eddc4b0044777d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.688905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016420/manifest.json
observed 35adfb94181eea4b6249ae9399ffebd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.669410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016420/publication.md
observed 7501488d0624c0d4caf009130f4cba64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.650691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016420/publication.txt
observed 6883b5b4cf51d275231f7a078cc8d5df...
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.