OpenTechnical

OT-2026-000051609

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000051609) never changes.

Identity and time

Publication numberOT-2026-000051609 · never reused
Internal UUID01a0ae83-7c81-727f-96f1-531d85a23a20 · 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-2026-000051609
StatusPUBLIC

Content hashes

Canonical text8e544aeaea2b0fca43f339f47a22ddfb949aba49e480a5741e068b2d24ac2f9c
Markdownf9795e71d0853118ea433f9461920027b19dc8760dd9ad994b732c078facef19
PDF
Publication page59c3234a674321dd185cb1064d8450cfc05d0076cb5279605c8f55dd3e9c8b99
Manifestffdfff723c3f9cf8e51253edf089e2af5aecf869a19976883de90a54e5b9331c

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
SignatureWxd5T6wd7X9PqR+xsaDKUl5Z1R5Mp/3f0pW6hdCqKq1OKg2t71HTuc808A4JKH4FJqW9W9OBYofBjmdIQ+SZDA==
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

2026-09-17T10:58:27.728164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051609
observed 59c3234a674321dd185cb1064d8450cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.711585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051609/manifest.json
observed ffdfff723c3f9cf8e51253edf089e2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.695528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051609/publication.md
observed f9795e71d0853118ea433f9461920027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.678587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051609/publication.txt
observed 8e544aeaea2b0fca43f339f47a22ddfb...
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.