OpenTechnical

OT-2026-000088041

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000088041) never changes.

Identity and time

Publication numberOT-2026-000088041 · never reused
Internal UUID01a0ae9b-1aa7-72d2-81fb-e93ddef46fd1 · 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-2026-000088041
StatusPUBLIC

Content hashes

Canonical textf204ff4c191763ff5b0de3519d98c75c428460debc6009ca82535d6f3afd61f5
Markdown4bed16289040de09bef34a08ffc1237068064e938b3c52653663b8ac5b416b15
PDF
Publication pageceeafe7a1576790cad74804e1014b1f011bbe9fa5d81f71bbf104fc52389e254
Manifest4b459d9f8e1115ad89fd2d002c14b93923e9d9e47afdc8447b4c081050db8633

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
SignaturezgpFjtda+IVLSWn+7odXOL1cxVf5VGq9o4tWn2IUsg3WxdhPlXvi3RQtg1JyN8EIHBwCteMAv2lpr1emqwlsDg==
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

2026-09-17T09:49:25.870854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088041
observed ceeafe7a1576790cad74804e1014b1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.852693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088041/manifest.json
observed 4b459d9f8e1115ad89fd2d002c14b939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.833489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088041/publication.md
observed 4bed16289040de09bef34a08ffc12370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.812597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088041/publication.txt
observed f204ff4c191763ff5b0de3519d98c75c...
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.