OpenTechnical

OT-2026-000003616

Publication integrity record

Bellows cup vacuum gripper, three zone face, three outlet manifold, ejector fed

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-2026-000003616) never changes.

Identity and time

Publication numberOT-2026-000003616 · never reused
Internal UUID01a0a90a-8b5f-7840-b5fe-3d692dd89ceb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:15.683657Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003616
StatusPUBLIC

Content hashes

Canonical text976079bea5d2f566a575b75b8e70e72d41b3d877deed92bb6567abd8f36d8776
Markdown6942c926634507df0bcf8fa905c8dbb90d32baea1f2aca547e22441b96bdb9f8
PDF
Publication page3c5f0add510e55e7b23630815b6a0d05005b98f5aac0522e2908813fa9457c8d
Manifestf4ebe5799dfa5f4cac2ebce5b8908e25cf3af7e2d5096a18b0778598ada03b01

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
SignatureCwbsrFrDZFvZpfiHN0NK6sf1IoXfq2ZNHMpUjw0C9RN88T2d2y3l8m62iC1BnKxQDUPG6CnG1wT3tozfT2o4Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:30:37.887222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003616
observed 3c5f0add510e55e7b23630815b6a0d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:37.872547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003616/manifest.json
observed f4ebe5799dfa5f4cac2ebce5b8908e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:37.735034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003616/publication.md
observed 6942c926634507df0bcf8fa905c8dbb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:37.721278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003616/publication.txt
observed 976079bea5d2f566a575b75b8e70e72d...
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.