OpenTechnical

OT-2026-000051928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000051928) never changes.

Identity and time

Publication numberOT-2026-000051928 · never reused
Internal UUID01a0ae83-e78d-7787-bdcc-695ec0b6f9b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051928
StatusPUBLIC

Content hashes

Canonical text7b018a49053c574a97901792141e8493a0372a8391c5230348cb2d8ccf7038d3
Markdownf29c36b420247c28b807f031a5f6585fdedb0612bf6ee78729d66b1891fa0fa9
PDF
Publication page6d8ff3a8e64da2a8f078323667f606d517f19caf69a5cf04710c124e1779b47e
Manifest2f3f051b6aa7ba7689622a03bd5ba20944b0780355e2a750df31c59585538097

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
Signaturexm+ebf15vWQ1s7c1+WG1RkIppqqCfF+70TXIra2acjCIEGDWHytjB2vm6YKlQqtkn/PqLILmr+VtFF6i94TPAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:24.953939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051928
observed 6d8ff3a8e64da2a8f078323667f606d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.937947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051928/manifest.json
observed 2f3f051b6aa7ba7689622a03bd5ba209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.921034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051928/publication.md
observed f29c36b420247c28b807f031a5f6585f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.903090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051928/publication.txt
observed 7b018a49053c574a97901792141e8493...
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.