OpenTechnical

OT-2026-000032382

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump 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-2026-000032382) never changes.

Identity and time

Publication numberOT-2026-000032382 · never reused
Internal UUID01a0ae75-106e-77cf-ad61-a5a12ea5bfc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032382
StatusPUBLIC

Content hashes

Canonical textdf908cb2dd67e11fb188d9b333cfbc73a09782d2bae76c57744dba08cd8a6239
Markdown8a4fd667bedc51cb25a61e9ad67f5e0a5a2ef0d790d6fc2841a552d1eabe0a86
PDF
Publication page5c4492fd8fa4c0a6cdb947393168470c1c3582378dea32c5ec760e439e0aa3c3
Manifestc75ae5e4b782b236c329b092ea330c1f4411cfcf8d9a66325ceadc4b07e85358

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
SignatureQq0G8cLybaTINWJ8XiYyDJjyh0xawBIsRjJnBu3WwudwfdMwEKBbiPTxsKEAa7clv/exxD9fCgwpX2weaiNXCQ==
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

2026-09-17T11:33:47.364176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032382
observed 5c4492fd8fa4c0a6cdb947393168470c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.342828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032382/manifest.json
observed c75ae5e4b782b236c329b092ea330c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.323764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032382/publication.md
observed 8a4fd667bedc51cb25a61e9ad67f5e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.304117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032382/publication.txt
observed df908cb2dd67e11fb188d9b333cfbc73...
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.