OpenTechnical

OT-2026-000013837

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000013837) never changes.

Identity and time

Publication numberOT-2026-000013837 · never reused
Internal UUID01a0ae6d-8de9-74ba-a8e3-a3bf5640ffce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013837
StatusPUBLIC

Content hashes

Canonical textfce417dc4e1e829caa34567085bdc1ce9469680da56640eb7911fd2a8dcd73de
Markdown5d400400d6f158fee12e100c5faa72c14202181e6b571c8c281c8f5c9ad5e889
PDF
Publication pagec4d1b2701632824e4cfc53dd1233a92552e43003146b692a1ff897e568afcb06
Manifest42c1314924878f7bb88af2c98a88c879864e56b9054bc0283e71cdfe73e09489

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
SignatureZCKm9xisI9Bser6tcPuUSPer3QimOVfJJcdgTha2OmGMLc/Oc04w+Llg87VZVpatdkl8M4u/OtrYAOTOsrPBCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:08:56.471142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013837
observed c4d1b2701632824e4cfc53dd1233a925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.451297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013837/manifest.json
observed 42c1314924878f7bb88af2c98a88c879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.431855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013837/publication.md
observed 5d400400d6f158fee12e100c5faa72c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.413676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013837/publication.txt
observed fce417dc4e1e829caa34567085bdc1ce...
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.