OpenTechnical

OT-2026-000031101

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000031101) never changes.

Identity and time

Publication numberOT-2026-000031101 · never reused
Internal UUID01a0ae74-87aa-73a0-a8df-d2965f9c417e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031101
StatusPUBLIC

Content hashes

Canonical text32a376f50cd33b995d5821cc7cb99b5c0165c24f92dae0094ceaa2f22f05dae8
Markdownf9bd3c1d05067592828ef9c63ed63b0897f2af9cccc4497f6c068aebc4837c4d
PDF
Publication page8e7584da8c63b7862e2046edfcffcbc8afba315e38d0600305047c210826a82f
Manifest2c525ee034674c65e8adfca988ff31d07068a3e83f2615425af4ddf13ea3978d

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
SignaturenZao8sv5Xc/jMdkh9wns9qdxfhW2sghKr5Rnt+FOLwtifZfqtNabi+0dQNiX3sR2HdVWA0NXuU74MLzbSgEZAQ==
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

2026-09-17T11:35:31.764891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031101
observed 8e7584da8c63b7862e2046edfcffcbc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.747361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031101/manifest.json
observed 2c525ee034674c65e8adfca988ff31d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.686332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031101/publication.md
observed f9bd3c1d05067592828ef9c63ed63b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.642439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031101/publication.txt
observed 32a376f50cd33b995d5821cc7cb99b5c...
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.