OpenTechnical

OT-2026-000006079

Publication integrity record

Vacuum cup gripper, three zone face, plant vacuum fed, sustained blow off before set down

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-2026-000006079) never changes.

Identity and time

Publication numberOT-2026-000006079 · never reused
Internal UUID01a0a94e-a31a-7e2f-9778-2b7d891bed3c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:38.204418Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006079
StatusPUBLIC

Content hashes

Canonical textb847b95d4dda773082223b8e92ccf28cb8e17aeff26f782f78205338edb2c230
Markdownc05f0ae8da6fbc2a0186229ea4607af1c0a7eac44dfa3367855321b05d441c16
PDF
Publication paged7113d010950c56e831665d40563f4d9498b2f3bb94bb3e5401859b0773d5da2
Manifest40ee75024067c7ef79e2a416fb3b579f05dfc910b93ba1bba27faa242a78bdc8

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
SignaturejFazCfZ4UXJm7AErCVepYs8cigdma4VM7M2GIrKUr8YuQNDorvEKNOhSL6aR+5VY49YtsKiWy+vxC5xynM97DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:29.901533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006079
observed d7113d010950c56e831665d40563f4d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.887890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006079/manifest.json
observed 40ee75024067c7ef79e2a416fb3b579f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.873774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006079/publication.md
observed c05f0ae8da6fbc2a0186229ea4607af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.737496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006079/publication.txt
observed b847b95d4dda773082223b8e92ccf28c...
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.