OpenTechnical

OT-2026-000057411

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057411) never changes.

Identity and time

Publication numberOT-2026-000057411 · never reused
Internal UUID01a0ae87-d5be-7e6c-8d9c-8023b0acd681 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057411
StatusPUBLIC

Content hashes

Canonical texta6ee8f5d86b85d09057645523126cc9682caecaf709b5875ed7ef7924426079d
Markdown1eac7180b8ee84faf09a25962f027f4f5b213d1154ab9cb1c837fb03cd5065b1
PDF
Publication pagea5c73855f75d8d337f083ac93c13432050bd252ca3d9ba97e200fabc0632d786
Manifest4f0764bbc67560d7a556618064bc29aa3ba32a0158e36fcbefc222822cfddccd

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
SignatureKaPtyLDAb/q0fJuJcOWqUGxmsbPXgCAKSUmSuqGJKqnnv+cKUtNtPLobddWJAGXvlKxFlLtdWxY1eefpK+0gDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:42.024487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057411
observed a5c73855f75d8d337f083ac93c134320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.006597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057411/manifest.json
observed 4f0764bbc67560d7a556618064bc29aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.987160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057411/publication.md
observed 1eac7180b8ee84faf09a25962f027f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.970940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057411/publication.txt
observed a6ee8f5d86b85d09057645523126cc96...
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.