OpenTechnical

OT-2026-000099619

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099619) never changes.

Identity and time

Publication numberOT-2026-000099619 · never reused
Internal UUID01a0aea2-c975-7fd8-9433-d4d78e97c048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099619
StatusPUBLIC

Content hashes

Canonical text26258b1ba91a251155bf8df7cf54a2522ea1e3890ce9e41634710a6a9fd3a9a7
Markdown016e53fbaf4da8ec2bc293828a0e12e0d98411057decd30010c923ea3abe5411
PDF
Publication page6f2cac0e7d7b6764818c8db4d0c1fc837806b1cd8887e3dbe595ef4fdb5605e9
Manifestb280af8f48497cea49be7e980b23ec97a6e9fc2afb863aedc0caf00e49efd4ff

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
SignaturePC9WRDCLUQ68BAWeQkDQKyIMax1uUOyRMgNWgw/RjjpbmUARKKkxQ+PCZidbGSpJOSjP9NKVVca5YM8ArBmdDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:33.006176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099619
observed 6f2cac0e7d7b6764818c8db4d0c1fc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.988931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099619/manifest.json
observed b280af8f48497cea49be7e980b23ec97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.968263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099619/publication.md
observed 016e53fbaf4da8ec2bc293828a0e12e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.949923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099619/publication.txt
observed 26258b1ba91a251155bf8df7cf54a252...
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.