OpenTechnical

OT-2026-000084573

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained 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-2026-000084573) never changes.

Identity and time

Publication numberOT-2026-000084573 · never reused
Internal UUID01a0ae98-e25b-7ff5-a8c0-577c500d3d1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084573
StatusPUBLIC

Content hashes

Canonical textffd2c9113d560801d0fe37ada6368807819f3e9040af88bffed5cd895975026b
Markdownadba99e2821bd50c1e983a181d9c6de4c3d10fec55966b8e3e77b5e1de109ccd
PDF
Publication page1dd2a664d87584626db62e8b1632a81c8b21e361c3ec8857c0bf8a3bfca3c778
Manifest43082429ec5324092587d502b8e1c785830a0cc75e3b3698042e679c458a73cd

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
Signature4mh2kPr0mY0QuiGVmOQNzi/RXIHpRoSU953DERStD4k2hwTIf3MetqwXeuxbsmDD9Sa151r54d7czP9vYu37CA==
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

2026-09-17T09:55:28.241052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084573
observed 1dd2a664d87584626db62e8b1632a81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.208032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084573/manifest.json
observed 43082429ec5324092587d502b8e1c785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.190605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084573/publication.md
observed adba99e2821bd50c1e983a181d9c6de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.159035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084573/publication.txt
observed ffd2c9113d560801d0fe37ada6368807...
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.