OpenTechnical

OT-2026-000079112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000079112) never changes.

Identity and time

Publication numberOT-2026-000079112 · never reused
Internal UUID01a0ae95-ccbf-7952-96b1-f3b56f982cab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079112
StatusPUBLIC

Content hashes

Canonical text2c489ee9300c9efc1d098a7ed29511c424828cf125feae826420aaa265a25320
Markdowne3e7eee16117b6b19d3df93f2d68adef8a0b5a481578056bc18910b9809fd930
PDF
Publication pagebdcd28673eee8e75ece255d8e572908408f812d5ea0ef960232b16ee2fc898ca
Manifestb6c5b4d21ad2b7a56ecfa2d877c623dc66f95ab976cf830ec93fa83f5fa6ca71

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
SignaturezoT3wnTyPSLCyGiK/nTdAw8o463OKL7uzyEPsc+6v3F2AAtDof1MxKnGWSMuEVEra6SRPZeRJOkaAqO75W7tAA==
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

2026-09-17T10:05:57.600523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079112
observed bdcd28673eee8e75ece255d8e5729084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.583375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079112/manifest.json
observed b6c5b4d21ad2b7a56ecfa2d877c623dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.565119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079112/publication.md
observed e3e7eee16117b6b19d3df93f2d68adef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.547003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079112/publication.txt
observed 2c489ee9300c9efc1d098a7ed29511c4...
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.