OpenTechnical

OT-2026-000063180

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063180) never changes.

Identity and time

Publication numberOT-2026-000063180 · never reused
Internal UUID01a0ae8c-94ab-76d4-9ed3-d2220cbf9199 · 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-2026-000063180
StatusPUBLIC

Content hashes

Canonical text535774e74638ad7c9c4388c19c152e15a32571ad080426f0633065320748fba2
Markdown59e24dbd9bc59de82adaf443f734ae8411ba11201894f85ade5a4c5e6e4a7bbe
PDF
Publication paged0d517e17d84e0181d04a24a2a0d5e14024654e97836a87d6950456122fd559d
Manifest6de1c94277362e788ff99bcd536c94d119e5932326a1ce6f013fd68748c73a28

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
SignatureuVv//o7zxa/zE84Dei0KZT345O6r2MSyNWr3GEpUVfU2h2o7dO7o+eNnJ4f8dFXsCeEdJOYbOIFAkTYxdjyuBw==
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

2026-09-17T10:38:58.442668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063180
observed d0d517e17d84e0181d04a24a2a0d5e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.425926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063180/manifest.json
observed 6de1c94277362e788ff99bcd536c94d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.408155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063180/publication.md
observed 59e24dbd9bc59de82adaf443f734ae84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.390743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063180/publication.txt
observed 535774e74638ad7c9c4388c19c152e15...
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.