OpenTechnical

OT-2026-000087530

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000087530) never changes.

Identity and time

Publication numberOT-2026-000087530 · never reused
Internal UUID01a0ae9a-cd51-707f-a79b-2bab00414107 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087530
StatusPUBLIC

Content hashes

Canonical text2ce5a7273358bb67a0ab771fb6ec21d0e554d8e2cb4424c22ff12e913320dc11
Markdowne0bbac096e84b2b79704a2036ab140717b212bf2b5138dbeabb57827a79372aa
PDF
Publication paged138b99275e74c16caa6cbc3c1953920e34b32d5a4bebfba981ab112bafff481
Manifeste9ce84a9988d973c1ecdea01a8c0ea1fadea4120b070611cef66a9e378297856

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
SignaturejAnOrXRkYtF7PX64nupSx20+wc4oqCJRBfwx2VN/T6dTrMovrroBx6aSlu7c9FknjDmvYWVcdTNYpaIVj9wBCA==
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

2026-09-17T09:50:52.094823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087530
observed d138b99275e74c16caa6cbc3c1953920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.077004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087530/manifest.json
observed e9ce84a9988d973c1ecdea01a8c0ea1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.059135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087530/publication.md
observed e0bbac096e84b2b79704a2036ab14071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.042895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087530/publication.txt
observed 2ce5a7273358bb67a0ab771fb6ec21d0...
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.