OpenTechnical

OT-2026-000053472

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000053472) never changes.

Identity and time

Publication numberOT-2026-000053472 · never reused
Internal UUID01a0ae85-0a90-7edc-842c-d28e798c04f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053472
StatusPUBLIC

Content hashes

Canonical textc676a303db117a8767c471464eb5a526914cb4e8d484c4e7fd0ad207372419b2
Markdownd725c8a7869ab5c34b83560cebef22ac5516eea8c07c5c76cadcd9b15dc79bae
PDF
Publication page265ff4d165a422bc3cfaf7597dd9460d3f47db90cd372666bde7c037f483819e
Manifestde3f9d05001647a1faa2abfcf68c6df6f49bc376711514e57d40a32501f1375c

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
SignatureMolClzR4RZKcYfG4xapfJCWU/awggbQMT0KkmhG0LcEkx9+7RupjhdMFwoNipmezNREEE7fgpVuUMKLP51+uAQ==
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

2026-09-17T10:55:13.437317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053472
observed 265ff4d165a422bc3cfaf7597dd9460d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.419191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053472/manifest.json
observed de3f9d05001647a1faa2abfcf68c6df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.400377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053472/publication.md
observed d725c8a7869ab5c34b83560cebef22ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.382828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053472/publication.txt
observed c676a303db117a8767c471464eb5a526...
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.