OpenTechnical

OT-2026-000016717

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000016717) never changes.

Identity and time

Publication numberOT-2026-000016717 · never reused
Internal UUID01a0ae6e-5918-7d22-8405-35780a346288 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016717
StatusPUBLIC

Content hashes

Canonical text72f4fe926c2da38487bb95042da0dad6394579778c0ecd1af0f0076ecba571d9
Markdowna7a18851655e8b992d880c6765d294500fa1a0eb7ae22e976ee5e3743715d89d
PDF
Publication pageed43981bb105d2d63c755a77f96a731e78de07b11502186d60bef7b3251363f7
Manifest3711437f70c084bf5b4361a0e70003d5b08c7281bebec34717a065a1aba3492e

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
SignatureETmVaT+Ik4Luh7QtRiaxAjbMbQkAv7YK64NkmCPqHmYKC4vpgIYDFtvwcbeRq9bb4hnmfgRVUqkH2Mh7sqkVDQ==
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

2026-09-17T12:02:56.627537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016717
observed ed43981bb105d2d63c755a77f96a731e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.610637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016717/manifest.json
observed 3711437f70c084bf5b4361a0e70003d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.592975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016717/publication.md
observed a7a18851655e8b992d880c6765d29450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.575134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016717/publication.txt
observed 72f4fe926c2da38487bb95042da0dad6...
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.