OpenTechnical

OT-2026-000053569

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000053569) never changes.

Identity and time

Publication numberOT-2026-000053569 · never reused
Internal UUID01a0ae85-0a93-713f-a8fa-a26651bb635a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053569
StatusPUBLIC

Content hashes

Canonical text4a3d7e176081778e6b64c246213e87cab888fcf8498cd0db11c49c4a347bebc0
Markdownd91ac17dc557ca01070abd7f803bad8934a62b8c330dea5c725dc83eb97a7742
PDF
Publication pagecbc966ae919d5dc05de684bdf0f0852dd0cc9bc90725f3b22bbd7e5b345a195e
Manifest9a7b257102fcc3b5cd3a5adf7d45feb908154abf7b37ce67093693a96de7d50c

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
SignaturevnfDepLpv19BO5HNwjYC9t0fY8rhzLFpUww/T6Z1MiIZ+7vDd+wVDM1bZ/uZQSljYJPRwFTg+kf/562nsEWPAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:25.920084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053569
observed cbc966ae919d5dc05de684bdf0f0852d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.901878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053569/manifest.json
observed 9a7b257102fcc3b5cd3a5adf7d45feb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.884096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053569/publication.md
observed d91ac17dc557ca01070abd7f803bad89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.864633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053569/publication.txt
observed 4a3d7e176081778e6b64c246213e87ca...
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.