OpenTechnical

OT-2026-000007128

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, pressure verified, vented 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-2026-000007128) never changes.

Identity and time

Publication numberOT-2026-000007128 · never reused
Internal UUID01a0a973-acc0-748c-9487-3d4db2481775 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:02:05.626600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007128
StatusPUBLIC

Content hashes

Canonical text8c8b006bc869cb6170d5dd650700285664f123c4cfc016e7e374c74d782301fe
Markdown31796fdd1ca9f65b351e205b140ce71e12869cd071e103006e8a72a7cf0e8318
PDF
Publication pagef727f79b0a41007767b9717ae8ae3cbd55c9f923d49c37932996fa7b88c0376e
Manifest38204714dcae9f4d2d174eaaf5ee02dcb19e44f49f447c0d4e9cf557b5f7df6d

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
SignatureEo7FxIAcfs4jljwO+QKjtKDKEZwwl+4W/ciXJ2tjMojkHVOORY8DaUjsElhjUw3TKSInG7fcU6RCtCycwMjjAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:23.945142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007128
observed f727f79b0a41007767b9717ae8ae3cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.932830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007128/manifest.json
observed 38204714dcae9f4d2d174eaaf5ee02dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.921498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007128/publication.md
observed 31796fdd1ca9f65b351e205b140ce71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.909021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007128/publication.txt
observed 8c8b006bc869cb6170d5dd6507002856...
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.