OpenTechnical

OT-2026-000021010

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000021010) never changes.

Identity and time

Publication numberOT-2026-000021010 · never reused
Internal UUID01a0ae6f-65e4-7ecb-90d8-6dba11505f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021010
StatusPUBLIC

Content hashes

Canonical text35fd9c4034e4675f6324756510d0315bc3bee796f8a38a837925f6b3d12d3065
Markdown5a3f10c9eb140e8ca0d4e1a56bcfd2dcff70418bc05d5b8bca681cf8cb5313c6
PDF
Publication page4f375d5291643f6ea19c9e6c12ed11d6eb95819c48669527c1554ce38e2ae0a6
Manifest58c0ea21a1fcc4f463c093c9a88cb5c224a75eb4955682e1816f358d7b5b9dc9

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
SignatureduDxtWcYBl7q9JRs05OwVd5etyQCfVjHvrPjODM7xNAVzbtSUeyruFK1VwoKq8fF/RlXINvhwM3GK+hzNyYIBw==
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

2026-09-17T11:56:10.175983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021010
observed 4f375d5291643f6ea19c9e6c12ed11d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.155208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021010/manifest.json
observed 58c0ea21a1fcc4f463c093c9a88cb5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.136747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021010/publication.md
observed 5a3f10c9eb140e8ca0d4e1a56bcfd2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.117960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021010/publication.txt
observed 35fd9c4034e4675f6324756510d0315b...
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.