OpenTechnical

OT-2026-000014772

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014772) never changes.

Identity and time

Publication numberOT-2026-000014772 · never reused
Internal UUID01a0ae6d-d094-7a4b-aa32-3ec93d985c93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014772
StatusPUBLIC

Content hashes

Canonical textc927c6535f2c2483e4c0b6072dfcdfd05bfc526354a78a9b81d49fa240db44d9
Markdown4c831177e764a52821778a6a95da3e36a8e45e06705e9157f01d8e9de56f81ff
PDF
Publication pagece686f82e20d4ed307fa3cf8302754523ef255c0830d306b1cda5a4b393c202f
Manifest877e902ff2c4d3920e5bf5b03be1cce10594cf00e06449291b60685f31bc2db4

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
SignaturejsGU+Y6dGSv/pvJgUwgJoFCnaW8Siuvce8qP8wtVytMXm+ppUM6+fiofup3+tS0SeQZLZeMFiGgiT3Uh9x+/Bw==
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

2026-09-17T12:06:39.652325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014772
observed ce686f82e20d4ed307fa3cf830275452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.634686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014772/manifest.json
observed 877e902ff2c4d3920e5bf5b03be1cce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.589944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014772/publication.md
observed 4c831177e764a52821778a6a95da3e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.544720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014772/publication.txt
observed c927c6535f2c2483e4c0b6072dfcdfd0...
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.