OpenTechnical

OT-2026-000063219

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000063219) never changes.

Identity and time

Publication numberOT-2026-000063219 · never reused
Internal UUID01a0ae8c-94ab-7b5e-83f3-a175599e2848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063219
StatusPUBLIC

Content hashes

Canonical textabf2e2a7899677957d85263996118c59df24fc172600b013e2d1f195fb262902
Markdownd3ba882fcf083f865a3a9a38d7cfc21f88544bf77401d463434af39f4ddc00ba
PDF
Publication pagee84eb24be6f5a3f48be8ea18f721991436846dcc0da3640d02c22147015f6ee8
Manifest60e59771a0d713147a28720d2048be2388ad966a810fc6b02810576c576b2161

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
SignatureRaP5R78FhDDVuSd06t9XvpECJn55XuzsD6YFJNxDer0dURFOmYcu+dmAfsrs+C+yO6rZ+2wJ7kxtFBU1K3fvDQ==
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

2026-09-17T10:39:05.763060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063219
observed e84eb24be6f5a3f48be8ea18f7219914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.745004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063219/manifest.json
observed 60e59771a0d713147a28720d2048be23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.727618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063219/publication.md
observed d3ba882fcf083f865a3a9a38d7cfc21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.710101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063219/publication.txt
observed abf2e2a7899677957d85263996118c59...
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.