OpenTechnical

OT-2026-000018911

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000018911) never changes.

Identity and time

Publication numberOT-2026-000018911 · never reused
Internal UUID01a0ae6e-d522-7a86-a497-f9847c03efa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018911
StatusPUBLIC

Content hashes

Canonical text0e8b12ca6f2deda0118bb9513e2e8fa2e9dd015dc968fc4712b067ee5419a25f
Markdown1242b51ded2bfbf5c4d03b13627d68a2586c06f27b7068982f8530004cfb6ca4
PDF
Publication page03bd7618462348c48bbb2c160bb27252ae9c26ba56438441326e62f654359cdf
Manifest69b96ed45c491f44658bcb9cc3ff30c083d4ad1da695e236dff1133c1e3642ba

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
SignatureJ+A0qPKsIBbjr0Dt7jK5S5uwlCHlRMqn6mj88Z3TjnCGwtWQzuF8VIKmb9dXjINf1o968ZWmXV+byW6t7zXyBQ==
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

2026-09-17T11:59:34.171039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018911
observed 03bd7618462348c48bbb2c160bb27252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.149617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018911/manifest.json
observed 69b96ed45c491f44658bcb9cc3ff30c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.131886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018911/publication.md
observed 1242b51ded2bfbf5c4d03b13627d68a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.099093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018911/publication.txt
observed 0e8b12ca6f2deda0118bb9513e2e8fa2...
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.