OpenTechnical

OT-2026-000087825

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000087825) never changes.

Identity and time

Publication numberOT-2026-000087825 · never reused
Internal UUID01a0ae9b-1aa5-789c-b891-67ca6f1cc516 · 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-2026-000087825
StatusPUBLIC

Content hashes

Canonical textbe294c514ad96452123b2153037e09316ad8fbcce9b83da46a5e870dc69524ef
Markdownd0a555b403dcde20a3b77147863df97cb0af24ae4b43a93a85428ed111e4dec3
PDF
Publication paged88da492d2b2a212e10705364e766789b22321ad4ae034b3052c07185277722a
Manifestce057a8292c64998a1d67cb15064ad097619d08a06a01415181db214ed17508a

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
Signatureu0zFxtZfF09sENXqFHCf5cS7wHMH8mQcCuMCcyTSV3+z+AjCUllzYu4QU5IT23Iy8of3cvjQsRZ5MXzLCCKjCQ==
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

2026-09-17T09:49:03.943995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087825
observed d88da492d2b2a212e10705364e766789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:03.925430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087825/manifest.json
observed ce057a8292c64998a1d67cb15064ad09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:03.906466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087825/publication.md
observed d0a555b403dcde20a3b77147863df97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:03.886263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087825/publication.txt
observed be294c514ad96452123b2153037e0931...
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.