OpenTechnical

OT-2026-000035904

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000035904) never changes.

Identity and time

Publication numberOT-2026-000035904 · never reused
Internal UUID01a0ae76-b4c9-78c4-87a5-ec1e2cdfb13e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035904
StatusPUBLIC

Content hashes

Canonical texte4a713a2b8fa7f21f7e374d429b32cd77e69606e012b7a00263aa95ff179e52a
Markdowna711a1dc571791514094c1f87bad0e278625cbef88dd765a2f29f973c05e773a
PDF
Publication page8e5045cabed73dfce37990226237b086a9a013b72b80d032714c30dd9a168f3a
Manifest44a54fd75c73c9b64dc2c31269e6a7ad5dbc71e54d7bd576018404d6349d130a

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
Signature2niH+Vr2OTvBA3bL4DgGF5yXSEY7Ed4k9YhUB6JH6pAsB5wvIE1hAn1SXh36GoHrgpRw5hSE7ieAgrVM1xYyDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:44.611309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035904
observed 8e5045cabed73dfce37990226237b086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:44.593117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035904/manifest.json
observed 44a54fd75c73c9b64dc2c31269e6a7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:44.574078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035904/publication.md
observed a711a1dc571791514094c1f87bad0e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:44.554320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035904/publication.txt
observed e4a713a2b8fa7f21f7e374d429b32cd7...
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.