OpenTechnical

OT-2026-000031845

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000031845) never changes.

Identity and time

Publication numberOT-2026-000031845 · never reused
Internal UUID01a0ae74-bad1-7d06-9277-2f7528d5abc2 · 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-2026-000031845
StatusPUBLIC

Content hashes

Canonical text0e4150a119f93c9d6af174de7c346e0ef834a31ac453d6ad5c10a78fedeb28dc
Markdown0f26a271374a55b845e1184271139f52f379a41b5f3fa745e9354c318eb2b55d
PDF
Publication pageac83c1eb5e13ff1ffbf11b4b887c8ec7e019b1dfba8afd93435e56d48100cf05
Manifest752a008c621a6301505a4bcc712bfa5ccae45d883597e3f5510fc42feb06d651

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
SignaturejBXulpJB2Kg1Nm18uziGIXc3v3CeBERVEW0whkBcIu5rUcCTqVLBbpCiv0l8crXbQxxVeq+wB+7dK0cZXMckCA==
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

2026-09-17T11:35:05.821152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031845
observed ac83c1eb5e13ff1ffbf11b4b887c8ec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:05.801157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031845/manifest.json
observed 752a008c621a6301505a4bcc712bfa5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:05.782231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031845/publication.md
observed 0f26a271374a55b845e1184271139f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:05.763191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031845/publication.txt
observed 0e4150a119f93c9d6af174de7c346e0e...
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.