OpenTechnical

OT-2026-000091676

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091676) never changes.

Identity and time

Publication numberOT-2026-000091676 · never reused
Internal UUID01a0ae9d-43b8-7624-a4bc-8304e9397f98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091676
StatusPUBLIC

Content hashes

Canonical textdf693650a6269216e9502ff812e2f812e022d37484ab0005f5be61b0755632fc
Markdown3f98ba340810da4a5b267d99906bdb2323f22eb1792a0cd417fe4142b4a1c295
PDF
Publication pagede09d7ed72cd600f7c34c001628c084c05a302aa0cc49fd5940c0fe3f4ecb84d
Manifestb6fd0c90400f833f0b11ba75b35ddb7d2f485181600db903a59504e3cb93c30f

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
SignatureMRIdRXWPtQz37AZ0pu1Qy7Pv03BAe9dS6vqY6thniimN4Zj6IFLGoOn2o+GPa1ydoNanW88TquLxlICsEjqtAQ==
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

2026-09-17T09:42:03.433363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091676
observed de09d7ed72cd600f7c34c001628c084c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.415565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091676/manifest.json
observed b6fd0c90400f833f0b11ba75b35ddb7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.396549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091676/publication.md
observed 3f98ba340810da4a5b267d99906bdb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.379291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091676/publication.txt
observed df693650a6269216e9502ff812e2f812...
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.