OpenTechnical

OT-2026-000017578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000017578) never changes.

Identity and time

Publication numberOT-2026-000017578 · never reused
Internal UUID01a0ae6e-76ca-71f3-9ebc-828977119f4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017578
StatusPUBLIC

Content hashes

Canonical text432b0bb78246eec40a1b1d5d7b9d64a93e961e82834f061c9f6d7d5f62b1735a
Markdown54256276350f02914d48bf5b777ea4b33a627d9d2bbfa23dc22a85252ed92f28
PDF
Publication paged1cf7b62ec02b9371d1320ac7714b5fd464d06bcd4412f496b7b0947d2f044b4
Manifestb563039141a35c7bd74b6e3d800beceb3a5dbba27844f8ef88ada05dd71ed363

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
SignatureP3MjPlcxMZyujHPszTr58pzynaThWfKXMpEEjb3FMDQRRqF2y4QqNF9isz62IyyzbLeXuym/rFRSI+Hu+Uc8Cw==
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

2026-09-17T12:02:45.133879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017578
observed d1cf7b62ec02b9371d1320ac7714b5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.114912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017578/manifest.json
observed b563039141a35c7bd74b6e3d800beceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.097525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017578/publication.md
observed 54256276350f02914d48bf5b777ea4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.006548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017578/publication.txt
observed 432b0bb78246eec40a1b1d5d7b9d64a9...
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.