OpenTechnical

OT-2026-000019319

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000019319) never changes.

Identity and time

Publication numberOT-2026-000019319 · never reused
Internal UUID01a0ae6e-f392-74ef-868d-2e264465792d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019319
StatusPUBLIC

Content hashes

Canonical textd0210b5e427ef9ea2c697576a83ad7b01cf8787ab6c25a0b73b300f6020cad6c
Markdown6bc4e9c81ddc6b0ebc9f4b38a2906f779f62fa5cad9cb6b00cfb15844e47b192
PDF
Publication page87df1e3a959e5a577c4e1bed5e918b040bf585e6fc305c13097030f03fcc50ac
Manifeste569ff0d709dbba38a07b42eabd409ff2b53f49b93e6fb9165badb80fe3adbec

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
SignatureNqPrP+5So8/MoMmKZ3usCaiFofrXa6knHPZaLtUXr4vAmCsUEpsuKS4WFUAroRHHhmKZ6a8F500wHPPwHB9CAg==
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

2026-09-17T11:58:40.966950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019319
observed 87df1e3a959e5a577c4e1bed5e918b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.948900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019319/manifest.json
observed e569ff0d709dbba38a07b42eabd409ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.930614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019319/publication.md
observed 6bc4e9c81ddc6b0ebc9f4b38a2906f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.912296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019319/publication.txt
observed d0210b5e427ef9ea2c697576a83ad7b0...
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.