OpenTechnical

OT-2026-000006147

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, pump fed, contact triggered

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-2026-000006147) never changes.

Identity and time

Publication numberOT-2026-000006147 · never reused
Internal UUID01a0a950-ef10-7654-9a34-0839aa8cc766 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:08.724296Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006147
StatusPUBLIC

Content hashes

Canonical text17cc9b0674b464f2d9da89942628d138bfa1c4f48eaff5914bbb29e0e11da545
Markdownc034a012f4521c19ff4225865b989994ab13083a932210911225e28778254af4
PDF
Publication pageb7267cbfa214a64e9e7f96a933a9e84ec1fadeaf50cdff5e5861422be090b22a
Manifest5b01aafd53d7b5370dade64bdecd72fe2d06e3c26d0cbeda30e568af384bd4d3

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
SignatureoDvWTGSiZXV17zBlfDSxdRjQJ3c/VrzharNIFzjUyFS6kIf6NOGcLamHqqqDTm9KIhsTYVnib+/DDRYVajbODQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:22.231328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006147
observed b7267cbfa214a64e9e7f96a933a9e84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.217104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006147/manifest.json
observed 5b01aafd53d7b5370dade64bdecd72fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.204345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006147/publication.md
observed c034a012f4521c19ff4225865b989994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.191770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006147/publication.txt
observed 17cc9b0674b464f2d9da89942628d138...
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.