OpenTechnical

OT-2026-000071274

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000071274) never changes.

Identity and time

Publication numberOT-2026-000071274 · never reused
Internal UUID01a0ae91-e0ec-7e07-ac89-07b35f5097af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071274
StatusPUBLIC

Content hashes

Canonical text06dd8a3a61c0dde2712922e335b6d65950063e6b45f8748d3eded8007fc4a82a
Markdown71abbf0ab3c38b65b66c27fd8b8bc92a864373f78bd5411933582a0a1db3f0f5
PDF
Publication page2e5e4188fb26a2deb10308b70a6bf1451d89b937b7c585ca27f53aafd3bd79fd
Manifestc721f9464c8a6380761ab47d9670e1ceecad8af71ef90ef59602cea729488637

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
Signature4bSFOhzX2/vZhu6TOhGZsHvSGXb8hgFZLqBU3xkiIEYs8wuU8GyUu3mkxBfW5VAZDbd255RsPUTxhI+x6dXjAg==
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

2026-09-17T10:24:50.216249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071274
observed 2e5e4188fb26a2deb10308b70a6bf145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.198609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071274/manifest.json
observed c721f9464c8a6380761ab47d9670e1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.181145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071274/publication.md
observed 71abbf0ab3c38b65b66c27fd8b8bc92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.163773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071274/publication.txt
observed 06dd8a3a61c0dde2712922e335b6d659...
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.