OpenTechnical

OT-2026-000039053

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000039053) never changes.

Identity and time

Publication numberOT-2026-000039053 · never reused
Internal UUID01a0ae78-9672-783d-a54c-4a00933f714c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039053
StatusPUBLIC

Content hashes

Canonical textbc224725f8748bdbce9b10ba768350c9b32d5e0beaf45240269308514e2f8a33
Markdown0cf03dadd7f734f92785c75f39ad6e7db3f0503b02d54dac501e3fbfb497f0ec
PDF
Publication page1fdaa28698a4f1ee0a83705f7b83f957441e1665f82c1659412c0d6ea7095e9e
Manifestc120b1c692ee29b8cd1cd070534f994cdba3318888ad2f530547e3c8bd64483a

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
SignatureJomfQFc9u7QVH+t6Qp3e6QeN+QNFf4dQUHMCgeptWf7odTa3CarVCYc3KFwkTpWzaPJauS4CAHZ2LDTLECFcBw==
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

2026-09-17T11:20:24.741833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039053
observed 1fdaa28698a4f1ee0a83705f7b83f957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.724500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039053/manifest.json
observed c120b1c692ee29b8cd1cd070534f994c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.707648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039053/publication.md
observed 0cf03dadd7f734f92785c75f39ad6e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.686685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039053/publication.txt
observed bc224725f8748bdbce9b10ba768350c9...
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.