OpenTechnical

OT-2026-000099617

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099617) never changes.

Identity and time

Publication numberOT-2026-000099617 · never reused
Internal UUID01a0aea2-c975-7d83-b5f5-752e84369d4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099617
StatusPUBLIC

Content hashes

Canonical text32123605dd0680bbde15bab33e49e39af6124fae3018eae4cbb7067f4eec55e7
Markdown1fe3521d0c70edd339b4cdef732daa6c53c8daac5a54ed50d833f0dd9c838b23
PDF
Publication page7790695573acade82b03410e54de8a10be106a1a5be7ec18f98a17852d57911c
Manifeste65654457b414fa308efc83d72ff98f03531154995d451c55bba758eba37c4da

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
Signature8WBVu0Wqxin66xmbmZdNbvJnRyFCCa0kL/oHpthJiNgvvIcaFp2k2mbFyU05ZNE2Iz19acuRFjdWR7aXHujwAA==
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

2026-09-17T09:29:32.860937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099617
observed 7790695573acade82b03410e54de8a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.843330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099617/manifest.json
observed e65654457b414fa308efc83d72ff98f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.824858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099617/publication.md
observed 1fe3521d0c70edd339b4cdef732daa6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.808124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099617/publication.txt
observed 32123605dd0680bbde15bab33e49e39a...
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.