OpenTechnical

OT-2026-000101724

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000101724) never changes.

Identity and time

Publication numberOT-2026-000101724 · never reused
Internal UUID01a0aea4-0e17-7be8-8aae-6e70e8a22205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101724
StatusPUBLIC

Content hashes

Canonical text98b700f6e77b7b946573d0d4f8db283706aa58645bb692c11cff50e24fd85d47
Markdownf8a748bfcf564ba60356b4cebb349fc2a1a62ff998462605fbb24c6a3774b852
PDF
Publication page414e64cbdf7c00646e996486e5a184d102daa5fd4be358b18c8d96a73b5e708c
Manifestce61a32a5e7997e9a78ba4c9e0abb89dfe5b2822c0d90129ffdca7859669ff9c

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
SignatureWz7l/Th3gziqewUFyRgc8ggtP94mpTqjYV8jrdaxxlz3167vX95ehoH4hz80iv2Pp8nDXvNsGB7LmG6fSaO0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:09.149835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101724
observed 414e64cbdf7c00646e996486e5a184d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.132205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101724/manifest.json
observed ce61a32a5e7997e9a78ba4c9e0abb89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.114410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101724/publication.md
observed f8a748bfcf564ba60356b4cebb349fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.097913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101724/publication.txt
observed 98b700f6e77b7b946573d0d4f8db2837...
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.