OpenTechnical

OT-2026-000078426

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000078426) never changes.

Identity and time

Publication numberOT-2026-000078426 · never reused
Internal UUID01a0ae95-7c28-7eb3-818b-324911bbb7f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078426
StatusPUBLIC

Content hashes

Canonical textd568d7a72543d0239fd889e2fd2b5d13e74fcb7ca5a5662e3773ec39c5150a89
Markdown4dd97c2a49feca1285e51f1ef13920de8219f33d8ff6365f06fbe8debfd61793
PDF
Publication page8fe1685dc2451e384c767382f1256af15e1a243f063316dbb81aecf15e2e344e
Manifest6d8d1a0628b6cc64b58313d9fdbf1e9824388e8f6266765af93d7e4e259dd7f5

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
SignatureiHx6gdg0RKJAWojo216gegx/fu7u5bN1PSyY2m9J2/b54MXsrIqeZS3M0psQvWAJCNhExbUYRZsd7tOkwpv4CA==
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

2026-09-17T10:06:25.365171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078426
observed 8fe1685dc2451e384c767382f1256af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.345030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078426/manifest.json
observed 6d8d1a0628b6cc64b58313d9fdbf1e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.324285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078426/publication.md
observed 4dd97c2a49feca1285e51f1ef13920de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.305809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078426/publication.txt
observed d568d7a72543d0239fd889e2fd2b5d13...
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.