OpenTechnical

OT-2026-000061923

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061923) never changes.

Identity and time

Publication numberOT-2026-000061923 · never reused
Internal UUID01a0ae8b-b8ad-7103-b9cb-be44bd5783b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061923
StatusPUBLIC

Content hashes

Canonical textd138c1a4950e596d7ffd7c1bfb051741e20056463ce339daa31e4064d335461c
Markdownc7cc119193442d00e5592921e954826b1a5659181c09efe1f9dbbf9ea1ca467c
PDF
Publication page6e5932fb764fd4ddbe66076ab9fc79dd91dfa4730b8ed433f658ae0f955de761
Manifest89baaec58e1962bc09e4c73910ddfcbd81a46970bc0a8826288aa015255bef48

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
Signature23Kh25tR+9wVJxv9Fq4bvqnGhDoR5i71CvjjszYqWYyohOItYQA8METtt74u59o3FicDRQufu9oX4sRyrPGrBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:48.500971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061923
observed 6e5932fb764fd4ddbe66076ab9fc79dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.478577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061923/manifest.json
observed 89baaec58e1962bc09e4c73910ddfcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.455233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061923/publication.md
observed c7cc119193442d00e5592921e954826b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.433948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061923/publication.txt
observed d138c1a4950e596d7ffd7c1bfb051741...
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.