OpenTechnical

OT-2026-000055283

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000055283) never changes.

Identity and time

Publication numberOT-2026-000055283 · never reused
Internal UUID01a0ae86-a100-7256-8b19-c6341ea1d4e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055283
StatusPUBLIC

Content hashes

Canonical text6c89c915e4ec2f7ad7a3158176dc6a5dbaaf806d76b2bb148e84f046a7d7f9ff
Markdown4c03ee96d1b70c66221dcab34d0063c7f32f83e500792fc340f16b5c2f7aa88e
PDF
Publication page6ad4ce4d8132335df16d3fbb800ed9db32d19ea2db3d06dfa54b8fbd6963ee06
Manifeste9bbc51a50501b19563414f4eca12e4c0817249da24743565f79f11866e8fe5c

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
SignatureFobI9+nwuXH5IlZmUzlPMJGzVjpjqw+BPIWg4kFDbHDpa/bwf/jVqoZb9Rsj7csYGfHLvItAMu0p+hHSJS87AQ==
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

2026-09-17T10:51:52.729419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055283
observed 6ad4ce4d8132335df16d3fbb800ed9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.711381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055283/manifest.json
observed e9bbc51a50501b19563414f4eca12e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.693334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055283/publication.md
observed 4c03ee96d1b70c66221dcab34d0063c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.674667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055283/publication.txt
observed 6c89c915e4ec2f7ad7a3158176dc6a5d...
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.