OpenTechnical

OT-2026-000053544

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053544) never changes.

Identity and time

Publication numberOT-2026-000053544 · never reused
Internal UUID01a0ae85-0a92-7450-9c44-8a6a8f341c6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053544
StatusPUBLIC

Content hashes

Canonical text72b3ae9718f5c1452cf99a85ec166b72fd5412ca72eff26608d55cfff8adabfd
Markdownd086173567547344d9ea3898f987bf465f0f6b9726ff859d32c407099b0392f7
PDF
Publication pagecf11861055564ef86c7e5e7e3a0dae6a9a6dde6b71b0e6cfe12e0b87603a7f14
Manifest3137605e46ba6aafdc0e49d3c8641973340ce09182d75ab346d21b3e13d01718

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
SignatureFIaRl65PRJwfn2yK/OJrX8VRa+P+RJijs2puInFyG4HJhvZivZH7IcdurJFKoqSYt+TTMVp/0t9V4649KbHMCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:23.930710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053544
observed cf11861055564ef86c7e5e7e3a0dae6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.913257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053544/manifest.json
observed 3137605e46ba6aafdc0e49d3c8641973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.897129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053544/publication.md
observed d086173567547344d9ea3898f987bf46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.877602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053544/publication.txt
observed 72b3ae9718f5c1452cf99a85ec166b72...
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.