OpenTechnical

OT-2026-000051509

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-2026-000051509) never changes.

Identity and time

Publication numberOT-2026-000051509 · never reused
Internal UUID01a0ae83-7c80-7e03-9a5f-d9787b9793dc · 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-2026-000051509
StatusPUBLIC

Content hashes

Canonical textb367486445299185ff0eaed151ec51d78de9fe6d292de8a7fa643613503f0bb6
Markdownacf379d93dce17720df6b7508101b7462ed5b2fb8105cf558e1e19858354f2f2
PDF
Publication pagedd13417e0ea75c5dc84cf50fa7e82fb42c4935053fc7671fe78f738c86f1e151
Manifest42d3465412ea1a4adf8880c805a9960ace55dbb9f2ba0fb46c6696d937238cb2

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
SignatureHrOZ4SV8/wUaRmXJzEoFKiGSo39CIu1YJqJ2JHtyyoaYOWTQbWhFSAW0tLaklou0C/SZ2qpKq0h2k9OLFzgQCQ==
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

2026-09-17T10:58:19.704643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051509
observed dd13417e0ea75c5dc84cf50fa7e82fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.686075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051509/manifest.json
observed 42d3465412ea1a4adf8880c805a9960a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.666028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051509/publication.md
observed acf379d93dce17720df6b7508101b746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.647752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051509/publication.txt
observed b367486445299185ff0eaed151ec51d7...
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.