OpenTechnical

OT-2026-000015650

Publication integrity record

Four pad foam 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-2026-000015650) never changes.

Identity and time

Publication numberOT-2026-000015650 · never reused
Internal UUID01a0ae6e-0c4b-76d6-ada5-87d152e076c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015650
StatusPUBLIC

Content hashes

Canonical text230fa3a98f064963258c1396905e02bee52da24450571b00b4815e07ba7ce3b1
Markdown0cb9e0d751497532d4ec0bd5eaaae59a4b27d21851c54a75b7c093a616f4415b
PDF
Publication pagea0709cabd1095b2421166fb08472d524f44f1286c028afe28bc4b2e23a79f83b
Manifested359f729cc608de03041ec267d9217481e969a60c40d712df1f66864d3fa05e

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
SignaturelSqI0OZ+qWtxXMcoiwbptuAiLJoj/ReleAEfIkTt3VtiQToEKF9SbLHBj6c86MqowycOWJlQ+O6fh4uzQaKzCw==
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

2026-09-17T12:04:54.578414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015650
observed a0709cabd1095b2421166fb08472d524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.560980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015650/manifest.json
observed ed359f729cc608de03041ec267d92174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.545395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015650/publication.md
observed 0cb9e0d751497532d4ec0bd5eaaae59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.528939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015650/publication.txt
observed 230fa3a98f064963258c1396905e02be...
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.