OpenTechnical

OT-2026-000051615

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000051615) never changes.

Identity and time

Publication numberOT-2026-000051615 · never reused
Internal UUID01a0ae83-7c81-77ef-a866-dd7ef454056a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051615
StatusPUBLIC

Content hashes

Canonical text1705808678e8539c0799160ad3565650d65682b5745a29c9b06be2538b6ceda8
Markdown944cd06a6841bfbc30d598b2c239464973325849257d2ab8dc22d9c4bf0aaddc
PDF
Publication page62a41e3d2c124d7477854a135aa331b5bd43f5d3ba70f6bd2b4f2a488a1e6cee
Manifest28527764c01c5683b77bb1bcf2be6b69076d634e38025f1129fdd98e20fa101c

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
Signaturekp68zYhk5/fR06Q8kNjbjilzNm60SMi3m3xbcSmOPtOXocE5uSPh1kwZm2Qrv8JMOJvv4PKlA5iSYeuYWJbSDQ==
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

2026-09-17T10:58:28.166606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051615
observed 62a41e3d2c124d7477854a135aa331b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:28.147623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051615/manifest.json
observed 28527764c01c5683b77bb1bcf2be6b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:28.130283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051615/publication.md
observed 944cd06a6841bfbc30d598b2c2394649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:28.112147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051615/publication.txt
observed 1705808678e8539c0799160ad3565650...
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.