OpenTechnical

OT-2026-000065319

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000065319) never changes.

Identity and time

Publication numberOT-2026-000065319 · never reused
Internal UUID01a0ae8e-1dfa-7e4d-adae-8d097d440398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065319
StatusPUBLIC

Content hashes

Canonical textfacf2e370d1b66e1fde70ed02201b4be79423ffa71b5dd584aef4108f786a24a
Markdownfda8edde550518cadf725dd5008b4bf7b83c0ebbf9e641258a058dcbf5ee6f34
PDF
Publication pageb8fb8a7e81f666eeb3166ef2c9d4b76f3c47f2514ef756537086e7fd77896b3c
Manifest8d5b92df32d0b07e571bb9d764383536b546e146a3b53ed9f48a5b25fcdf0ff0

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
SignatureExJCdRfPBTi4qGuQtiTxHxhWA7fwUF3+HHjc626Ba34vIMCFHCFGWQ8icH1INzsc6VH+GcmX3dRtVR8HJYmGDA==
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

2026-09-17T10:35:17.808437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065319
observed b8fb8a7e81f666eeb3166ef2c9d4b76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.791521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065319/manifest.json
observed 8d5b92df32d0b07e571bb9d764383536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.774002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065319/publication.md
observed fda8edde550518cadf725dd5008b4bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.756981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065319/publication.txt
observed facf2e370d1b66e1fde70ed02201b4be...
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.