OpenTechnical

OT-2026-000016487

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000016487) never changes.

Identity and time

Publication numberOT-2026-000016487 · never reused
Internal UUID01a0ae6e-2d13-75a3-8d85-7c2fc7ad20ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016487
StatusPUBLIC

Content hashes

Canonical text5d5f9accf0c29a04e0f9e3e2b16ba38d5121e6ad510139fa24fdc618a582f5d0
Markdown7e6bcd5e4fee13b550e486e71af3ae0526bf6fb84c67b4d7335117cc438457be
PDF
Publication page7134eda4eec437618ffce2c822d777ebaf7dc80cee1d0d8d13808283089f62f5
Manifestf240917359c241e06fc0d01fda51f01845dd916c145e24c75ae24c69810958fb

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
SignatureZ+xiuEbhts/oeC/UlWY68gZ1LlwKTFBWrpmdyR3bRuLAYGisPVouNSJBTrYilHCF4grOL1noQc0X8SIkIHq4AA==
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

2026-09-17T12:04:41.562327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016487
observed 7134eda4eec437618ffce2c822d777eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:41.544087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016487/manifest.json
observed f240917359c241e06fc0d01fda51f018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:41.526637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016487/publication.md
observed 7e6bcd5e4fee13b550e486e71af3ae05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:41.508821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016487/publication.txt
observed 5d5f9accf0c29a04e0f9e3e2b16ba38d...
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.