OpenTechnical

OT-2026-000031674

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000031674) never changes.

Identity and time

Publication numberOT-2026-000031674 · never reused
Internal UUID01a0ae74-bad0-7ead-8dbc-87e09ea63654 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031674
StatusPUBLIC

Content hashes

Canonical texta131caa5fd45430d9073954e822f4fb6a1165c0932a266d118a6d2dfafbdbd61
Markdownc9c3ff2faa2ffcb1b0d0998479a7a5dc706b5d5fdbdb70e63e9689b51635fc7a
PDF
Publication page9fa1b78ec9142479ca8fea02527d8b23f84340236bd57856f487a12a47012bd9
Manifest6d289e329091939c0a7683b9dc6bce32e2627c8730c9b4ad37369e1c09576345

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
SignatureMLDZo53zmSHqU/vPjjCfI0hZc6eIlxOOgZi9BoTfovBwXwdcgjpsoVVsurJYXLAa+yvU91/wCZkI0WdeL51ABA==
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

2026-09-17T11:34:46.368591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031674
observed 9fa1b78ec9142479ca8fea02527d8b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.348805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031674/manifest.json
observed 6d289e329091939c0a7683b9dc6bce32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.331014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031674/publication.md
observed c9c3ff2faa2ffcb1b0d0998479a7a5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.310928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031674/publication.txt
observed a131caa5fd45430d9073954e822f4fb6...
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.