OpenTechnical

OT-2026-000072876

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000072876) never changes.

Identity and time

Publication numberOT-2026-000072876 · never reused
Internal UUID01a0ae92-89db-747f-b17e-b717b7dd4fd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072876
StatusPUBLIC

Content hashes

Canonical text9678290ba1f7456989323840c64e702248a59895796d5d29abe3651ea5ee4b48
Markdown17d5e23ff58988ef050e3b27f364dd4d75cc077efc1d21d10f381cbd700df84d
PDF
Publication pageec50224292637fa90ca8f06bf1efe6296783814e4e75c6097375565b9035453b
Manifest65d546cebd8d0b19c3015440cd4575afe1f7e40f799b8a90cf365fb2703dfaa3

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
SignatureZ+p8E8I7MhKjrR4fVGoxRCOCQQVgFOnB3SeZasrNnshUsJ1IZ1WUxX31X9ZcSWX0GxbhmFotPnTnmloN22T4BQ==
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

2026-09-17T10:22:48.217641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072876
observed ec50224292637fa90ca8f06bf1efe629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.200273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072876/manifest.json
observed 65d546cebd8d0b19c3015440cd4575af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.184456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072876/publication.md
observed 17d5e23ff58988ef050e3b27f364dd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.167110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072876/publication.txt
observed 9678290ba1f7456989323840c64e7022...
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.