OpenTechnical

OT-2026-000102224

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000102224) never changes.

Identity and time

Publication numberOT-2026-000102224 · never reused
Internal UUID01a0aea4-50f3-71bf-aa41-4a37c6d205b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102224
StatusPUBLIC

Content hashes

Canonical text072ebab443a12613bf60cd696da4f257594f78b8b61283ee7ad1865e745f4afb
Markdownf2f796aadd37fc5501f1d77b30b70b8d80d11861f89bb118811bdad6c50e9bf7
PDF
Publication page060c2d21dac5c2b82356b7b9bffc32af34c3c5301a2a2482dadfb3378c668bbd
Manifest1e63d28869be739df5eadf79e0e2aa651c30f9b476ea4e7515654b550d2e2d3d

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
SignatureOcLOghIyaTmOmjFBvvZv4QlVP2Mgo6lfNaJwpmQowweyPSqVOXjkt+ZpCTGJTf0VpSdAePpdxoEfCf5tx+XaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:24.160490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102224
observed 060c2d21dac5c2b82356b7b9bffc32af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.140506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102224/manifest.json
observed 1e63d28869be739df5eadf79e0e2aa65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.121577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102224/publication.md
observed f2f796aadd37fc5501f1d77b30b70b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.104008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102224/publication.txt
observed 072ebab443a12613bf60cd696da4f257...
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.