OpenTechnical

OT-2026-000088098

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088098) never changes.

Identity and time

Publication numberOT-2026-000088098 · never reused
Internal UUID01a0ae9b-1aa7-7711-a81e-320169a89450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088098
StatusPUBLIC

Content hashes

Canonical textafba40828d8f2ec6722c8efed4cec4188a28386f5677f65b13f13c6cf47c3f7d
Markdown231f409f7121a5887791611849094e88f35decf5b7325a0991b02df9f843e306
PDF
Publication page957058c248c3fe30edcae049435e5e26941e6f5cc4107d26339860394135fe58
Manifest66efb893ce81f31aa649a753ccbc814e0335e66b25f7f0f114c6e22f82d98cea

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
SignaturecO+CtuUuYFSSsMX6HmL/MHxQk6B7AFE04jMpm0PqTX7HxiiOs+PYNmocJsY9qMZLOH6GpWYEJYpTMLGIf2sgDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:06.697004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088098
observed 957058c248c3fe30edcae049435e5e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.676961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088098/manifest.json
observed 66efb893ce81f31aa649a753ccbc814e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.659363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088098/publication.md
observed 231f409f7121a5887791611849094e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.637644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088098/publication.txt
observed afba40828d8f2ec6722c8efed4cec418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.818203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088098
observed 957058c248c3fe30edcae049435e5e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.798906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088098/manifest.json
observed 66efb893ce81f31aa649a753ccbc814e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.780071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088098/publication.md
observed 231f409f7121a5887791611849094e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.761269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088098/publication.txt
observed afba40828d8f2ec6722c8efed4cec418...
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.