OpenTechnical

OT-2026-000031154

Publication integrity record

Foam pad vacuum gripper, 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-2026-000031154) never changes.

Identity and time

Publication numberOT-2026-000031154 · never reused
Internal UUID01a0ae74-87ab-729f-83a3-7bad757c7e44 · 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-2026-000031154
StatusPUBLIC

Content hashes

Canonical text082c65927285ccb289f40bcc77f0b3452a1431c0bebb6cb524f70019f18e185f
Markdown87dea4189e11d88be26ba41cb5638a2f2f128fbc70fcf72d3e5d6359d301a787
PDF
Publication pagec79903d567c6abd923096a0c160fd7fd958f4e411bab74fc58bbd8f787c44241
Manifest93a5a01855a16a2afa56c606cf17a12de232cde89a393df4c54ac8d4861f5425

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
SignaturemTB8A3ghtVoPBOPeLeo7DlqGXPC+Q33KkB6BEmaoRd6wCkRDW+DrvURewae4iExlGERUbiafReX/XbQ9UnyvCg==
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

2026-09-17T11:35:41.726593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031154
observed c79903d567c6abd923096a0c160fd7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:41.708030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031154/manifest.json
observed 93a5a01855a16a2afa56c606cf17a12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:41.687050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031154/publication.md
observed 87dea4189e11d88be26ba41cb5638a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:41.667940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031154/publication.txt
observed 082c65927285ccb289f40bcc77f0b345...
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.