OpenTechnical

OT-2026-000061380

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061380) never changes.

Identity and time

Publication numberOT-2026-000061380 · never reused
Internal UUID01a0ae8b-7b42-74dc-aba1-2c346c70a192 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061380
StatusPUBLIC

Content hashes

Canonical text3425a1c277c51ecbffc306574d4e6ff4db6cf4a2fc1e81736a085a0bd872c916
Markdown6c1143bd3c08989aedcfb796d3152c57bf85c53a1315f6a31cf1d0942813fa9e
PDF
Publication page553e6e43102fb9933a1bb5ee9425d4b2380edd7af8f8010a454799ce4072c943
Manifesta8d6910789fde3b4fdaf2b2ad24429cad595144844310415dba3165f8753af42

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
Signaturey80Oro6JMnyzRabcHyKXBQ86YtGQrdjqwfSCElCC/VxUgR8ipINmfaG09lBYT4sfEyvGv0+gIf3kNh0k7J1KBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:14.291861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061380
observed 553e6e43102fb9933a1bb5ee9425d4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.276661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061380/manifest.json
observed a8d6910789fde3b4fdaf2b2ad24429ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.260654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061380/publication.md
observed 6c1143bd3c08989aedcfb796d3152c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.240551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061380/publication.txt
observed 3425a1c277c51ecbffc306574d4e6ff4...
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.