OpenTechnical

OT-2026-000077837

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000077837) never changes.

Identity and time

Publication numberOT-2026-000077837 · never reused
Internal UUID01a0ae95-2ed0-70d3-921e-21c236a2cae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077837
StatusPUBLIC

Content hashes

Canonical textec1f9286f62a20cc7570b31a22e997d8823131eec998f2902b05a599927aee10
Markdown3fcb048e7dd86dc517ce1eaa3241bd8e10e45abc9b85079ecc739bfc3403a4fb
PDF
Publication page6c126ea8d093e28ae38ccf45af0b29f2ff0473e5211b025565993f0ebe5d5475
Manifest2e80f4d76b87022be7fc35905fdd674d1c696a673c6b128a833f5f98b5079681

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
SignaturejImia4OFqo0++tu1Q3Ro6Nt+t5WpNpvSG3E9U36sFo0NhOniy2HguvZ5QvADLRJ2h7yZ7PVmjo35AN3kYpCoAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:34.044874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077837
observed 6c126ea8d093e28ae38ccf45af0b29f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:26.173195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077837/manifest.json
observed 2e80f4d76b87022be7fc35905fdd674d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:26.152633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077837/publication.md
observed 3fcb048e7dd86dc517ce1eaa3241bd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:26.132604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077837/publication.txt
observed ec1f9286f62a20cc7570b31a22e997d8...
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.