OpenTechnical

OT-2026-000050859

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000050859) never changes.

Identity and time

Publication numberOT-2026-000050859 · never reused
Internal UUID01a0ae82-c7b2-774b-ab70-00d3b82f0203 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050859
StatusPUBLIC

Content hashes

Canonical text59c73b0bac8a1d24d9bcc8e99d4dc48f20c1451d4fc2093a6d56cc759210dead
Markdown14348f19785eb03ed1fb1c8bafe50d0909a8956593f310f8402aa56df71de77c
PDF
Publication pageccc5aa5d44db0eed891a2aa18188a35d5f4d1fb5a9e2f23d841397ce5665db84
Manifest841f81c85b8fc4e3bb65a57f466ab45534584af51053bc6d62038114f9ee720a

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
SignatureP3UqogwLAG9sU83NBhPAtyCOOMA0jgwrCwWLLEoTbxuxOAc17N2gSKkfKkhCfA/rft0W44ch9skZL5K5Wit8Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:26.248477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050859
observed ccc5aa5d44db0eed891a2aa18188a35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:26.242357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050859
observed ccc5aa5d44db0eed891a2aa18188a35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:26.223409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050859/manifest.json
observed 841f81c85b8fc4e3bb65a57f466ab455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:26.216194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050859/manifest.json
observed 841f81c85b8fc4e3bb65a57f466ab455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:26.199704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050859/publication.md
observed 14348f19785eb03ed1fb1c8bafe50d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:26.194702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050859/publication.md
observed 14348f19785eb03ed1fb1c8bafe50d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:26.173723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050859/publication.txt
observed 59c73b0bac8a1d24d9bcc8e99d4dc48f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:26.168565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050859/publication.txt
observed 59c73b0bac8a1d24d9bcc8e99d4dc48f...
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.