OpenTechnical

OT-2026-000066069

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000066069) never changes.

Identity and time

Publication numberOT-2026-000066069 · never reused
Internal UUID01a0ae8e-8dc2-7ff7-9dc4-c7e4db1a371b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066069
StatusPUBLIC

Content hashes

Canonical text839773d45525c28fa82756dbe9868bdacd93ab0965ea70f8a640dc925630d39a
Markdownd3306dd394271f142c4985a6b3809b48a25e369bc8444c3c752a8ae24fab585a
PDF
Publication page9d55c2f1d4b313cce51ddea3359a04677d9a9c8b2117317ef57aaddb5a7b3678
Manifest055cbfc00beca3af257fcdb0d266e9b8822d92974adf9ac80549fe7cb90cfca4

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
SignatureOuQiu0Kqg4sHG+MnBYbfHy0VPSiODaIMO8lcYI67728YysGZQwTneQLNTcvAhYaCW1YRzIjBRLxb06oDIrvTCg==
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

2026-09-17T08:50:43.038438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066069
observed 9d55c2f1d4b313cce51ddea3359a0467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.020664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066069/manifest.json
observed 055cbfc00beca3af257fcdb0d266e9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:42.994393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066069/publication.md
observed d3306dd394271f142c4985a6b3809b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:42.857731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066069/publication.txt
observed 839773d45525c28fa82756dbe9868bda...
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.