OpenTechnical

OT-2026-000032685

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000032685) never changes.

Identity and time

Publication numberOT-2026-000032685 · never reused
Internal UUID01a0ae75-1070-7ad4-becd-92fee22860e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032685
StatusPUBLIC

Content hashes

Canonical texte05e54ce4177e36388d674be615ee4f33ebfd9c93c32150affb6b0389e86ed29
Markdown8b793ddbf2612d0936565f88d04387cbc5fd9a9df364e4304f57e01e95cc2333
PDF
Publication page71f5da77d45491ac5776c6b5d6dcce6683dc2468e3eab3886a6bd26c8eb3b2b5
Manifest00fd1dfb841c9360e67dbacddb7c3385f02f7fd28a1c6670e09555480af23e25

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
Signature8vz4MFzJZT0PFhjPNjy1Hhzn9sTtGMchuI+vtS5pYialeAPTIzn8CeEvcnm4iX52vCAvnNe+xDSBGRZjLcZuCw==
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

2026-09-17T11:34:17.533878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032685
observed 71f5da77d45491ac5776c6b5d6dcce66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.515485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032685/manifest.json
observed 00fd1dfb841c9360e67dbacddb7c3385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.495065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032685/publication.md
observed 8b793ddbf2612d0936565f88d04387cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.467383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032685/publication.txt
observed e05e54ce4177e36388d674be615ee4f3...
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.