OpenTechnical

OT-2026-000051501

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000051501) never changes.

Identity and time

Publication numberOT-2026-000051501 · never reused
Internal UUID01a0ae83-7c80-7e7e-96b1-417e6a548b4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051501
StatusPUBLIC

Content hashes

Canonical textd2e69afa4c4c5fe349f2bc75ce097980724780f21dacff153212a57df9b23e06
Markdowndd8109ce42bcb9574855ba97fa58a57245596212551f80fd4381abb7798af1fe
PDF
Publication page2fa89e6406156bfe931956d21adc6a6bd01892bf405e4efd4b107dc112c65599
Manifest83dfe58836b39e8a22b5728f9597b3fff501d1d610fad4bf6453a65bfb9e2d6b

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
SignatureL1qkAKEPdqftbvAsk2uAoaaLkVH/T1DwAvZyHYtYL4bvHwizIWZc1AIQWPWiloNHnGbyMwqV24UNQWZYJRVACg==
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

2026-09-17T10:58:19.096159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051501
observed 2fa89e6406156bfe931956d21adc6a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.078195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051501/manifest.json
observed 83dfe58836b39e8a22b5728f9597b3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.061371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051501/publication.md
observed dd8109ce42bcb9574855ba97fa58a572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.043819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051501/publication.txt
observed d2e69afa4c4c5fe349f2bc75ce097980...
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.