OpenTechnical

OT-2026-000085321

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000085321) never changes.

Identity and time

Publication numberOT-2026-000085321 · never reused
Internal UUID01a0ae99-aaaa-7cd1-8531-4741050c8bba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085321
StatusPUBLIC

Content hashes

Canonical textfecf66098cf798d0e2bc9ff501e2bce1b3f27adf341c913dc69e65ad074d2955
Markdown6dd2965dd4303cbee42c5e5aad0c6d71b64fba0315097344d4315cf0c77a042f
PDF
Publication page39091526d539d432499423f8dd0b7cbc223541ca4108cd681ac61376f0b89a3b
Manifest67e92b164892bc8c8649487440fa34f0d98b9f089da69a4b5f1951f2022c3aa1

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
SignaturedvSAa3b37JGeLJ7P6ZWgRhr/L6rvpRFX+MujnruacXOAQuxSxp6VX5upnl4GocasGEcStKz5UPoijrC/sa45CQ==
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

2026-09-17T09:54:02.800843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085321
observed 39091526d539d432499423f8dd0b7cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:02.782004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085321/manifest.json
observed 67e92b164892bc8c8649487440fa34f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:02.763772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085321/publication.md
observed 6dd2965dd4303cbee42c5e5aad0c6d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:02.745621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085321/publication.txt
observed fecf66098cf798d0e2bc9ff501e2bce1...
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.