OpenTechnical

OT-2026-000062780

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000062780) never changes.

Identity and time

Publication numberOT-2026-000062780 · never reused
Internal UUID01a0ae8c-6389-7a0c-a1f3-5cc60703f8d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062780
StatusPUBLIC

Content hashes

Canonical texta74855c2ca2aa31d0e338dc32e11d4164c2a4e4c1213e05dab44f0410365622f
Markdownf60ffb0315062f5a8599a75924a3b49af83a4131e536a95327298c59cbf4df61
PDF
Publication pagee47b78bdc951d81766dbdc106a3009387bb5e8965bb20c767671f5f686410385
Manifest5fd72f230ca00decf0fb9075713b72b14d24db0df74dedecfe310dec5295cf91

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
SignatureCEgcB3gpEiLhePO4gkpF/XIKfnShzAWlkTmuay+9gxqGUYcXJQ8UCkuTS/FjLtgMByyPtbia2hTb4OTegC21AA==
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

2026-09-17T10:39:22.070697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062780
observed e47b78bdc951d81766dbdc106a300938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:22.054572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062780/manifest.json
observed 5fd72f230ca00decf0fb9075713b72b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:22.038139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062780/publication.md
observed f60ffb0315062f5a8599a75924a3b49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:22.021602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062780/publication.txt
observed a74855c2ca2aa31d0e338dc32e11d416...
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.