OpenTechnical

OT-2026-000086342

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000086342) never changes.

Identity and time

Publication numberOT-2026-000086342 · never reused
Internal UUID01a0ae9a-2c96-77dc-9bbc-e5a4aff49719 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086342
StatusPUBLIC

Content hashes

Canonical text3d8268bca0a4e8999773e77c383e7711f36dbd3d6319ee9ead28cb63b8dd0455
Markdown1a689d0b5b205a9b78bacad4a4d291687c742dcca46f996e03da0759b8120755
PDF
Publication page3497655bd020104a9b1eb9834b61bd1b4ce72e13681b0ea8570de7cadffa486b
Manifest066545895f16812ddbadf4bd2429ad9778539627ed38d627abf4427495532d12

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
SignatureHTXLAPGI4YjbIdqx4N9nJakjtu1KCESTFXZQ45XOyATRiDPCq31qSXIGipN8CLhgKQiZJuna8yjwwY+MCsK9DA==
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

2026-09-17T09:52:02.075437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086342
observed 3497655bd020104a9b1eb9834b61bd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.058644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086342/manifest.json
observed 066545895f16812ddbadf4bd2429ad97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.042758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086342/publication.md
observed 1a689d0b5b205a9b78bacad4a4d29168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.026162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086342/publication.txt
observed 3d8268bca0a4e8999773e77c383e7711...
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.