OpenTechnical

OT-2026-000050455

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000050455) never changes.

Identity and time

Publication numberOT-2026-000050455 · never reused
Internal UUID01a0ae82-5c48-79f7-a476-3163098da0d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050455
StatusPUBLIC

Content hashes

Canonical textb0b2eeda45d8b227e43f4588432e556cbc6ac2e23c3268e2cddf0c15c5be4121
Markdownc7087074c87edff83da6f9d1d0225dda0a1bc5c9dc190f385644d760ec7422e8
PDF
Publication page7a80a9ca4fccd9161621211533657091e8ac1b2577de31342802dffb904a4ac0
Manifest8c3a1853195f9141d2d3c132543a577510af6b2ca4d8cc2964f87ec8a6d8240a

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
Signature/T5nxbgR6ojbd55tDWVYjWcO2t9XF+VisrLlMM4PTABWg7bn/5rryNxWT5UhrpIpreE/RSqSsKGpeclNF1A8BQ==
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

2026-09-17T11:01:30.306109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050455
observed 7a80a9ca4fccd9161621211533657091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.289316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050455/manifest.json
observed 8c3a1853195f9141d2d3c132543a5775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.273391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050455/publication.md
observed c7087074c87edff83da6f9d1d0225dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.256617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050455/publication.txt
observed b0b2eeda45d8b227e43f4588432e556c...
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.