OpenTechnical

OT-2026-000073150

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000073150) never changes.

Identity and time

Publication numberOT-2026-000073150 · never reused
Internal UUID01a0ae92-efb6-7358-9551-481bbd6690e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073150
StatusPUBLIC

Content hashes

Canonical textbb9128a0739b2cf31cb9e7af5d17c3acb08bf62a31da8d1c34871f098c5d6165
Markdownd8efb191968baef413ffd17d15042d10402ac5fc5b3aed0ef34b2725f9550202
PDF
Publication page12e3d8be6577555ec933e3afb02dff1e24578b40e7a3ad569c5b8a7c1016c490
Manifest3d79a46492344a42f42fe5cebaafd7b9130c570b5a3c0dd9a886bd5451d65d7a

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
Signature3LlHW/+o19Ukl4jTs9fKihLk0F9Tohe67D+BqS/gLzRqXhqQdpnIj+JPuutYJoPaVYoi0dtXK939ArbwalfQBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:05.468062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073150
observed 12e3d8be6577555ec933e3afb02dff1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.448703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073150/manifest.json
observed 3d79a46492344a42f42fe5cebaafd7b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.426151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073150/publication.md
observed d8efb191968baef413ffd17d15042d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.404958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073150/publication.txt
observed bb9128a0739b2cf31cb9e7af5d17c3ac...
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.