OpenTechnical

OT-2026-000032226

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000032226) never changes.

Identity and time

Publication numberOT-2026-000032226 · never reused
Internal UUID01a0ae74-f7a7-749e-93c0-22b443dcd9f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032226
StatusPUBLIC

Content hashes

Canonical text9a6d25d389f6b6954fe92562300c7e3ce06222dd5891ac545fd7116677764625
Markdown63b9c8a74690b00c328f3f9685bf1de05ad03dd78a43d722c4df41db3d48cd9b
PDF
Publication page645d8ca2c20d7a12331a8551082f6e960c3b41d42d20184f476459afac362e61
Manifest3994b77a3dc4e196535fbcc876c6410812ae0055e3d41aefe4aa893a1941d0d6

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
SignatureFYMfwpXAgTX7baj1bhDPcSFj3drDpmY0SdKw9OVeDm+MH6UEIES7dzjSCDdLvBDog2naLuFupbs33ng+rys3Ag==
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

2026-09-17T11:34:34.657081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032226
observed 645d8ca2c20d7a12331a8551082f6e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.639857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032226/manifest.json
observed 3994b77a3dc4e196535fbcc876c64108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.621456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032226/publication.md
observed 63b9c8a74690b00c328f3f9685bf1de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.603330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032226/publication.txt
observed 9a6d25d389f6b6954fe92562300c7e3c...
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.