OpenTechnical

OT-2026-000089826

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold 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-2026-000089826) never changes.

Identity and time

Publication numberOT-2026-000089826 · never reused
Internal UUID01a0ae9c-428d-7607-986f-da44e372c4b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089826
StatusPUBLIC

Content hashes

Canonical text61dd3aa965e3d43bf397d587b4965b22a9298f6e8bd96c1abc6e8771f523831b
Markdown1f0c8e7d0d49fccbfa068366ec44837f1910b7a9c0ee732d2c9c93f517b6f78c
PDF
Publication page128fa0c9c4061300e9b5ddc08d7787a198b01aca63bbccee346331e21e09f0da
Manifesta9db97eb48c5eb02cc710d1884c28c5b759b1e82b83fd4650075876fe64e4139

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
SignatureOFVHt7rUCg1vEtBfvvaZmbXl/WMzptR+RsV3OjgTJsIo6scR5VEB1fU2DgBsbIwLuDuypGieWSghQvL8iKPNBw==
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

2026-09-17T09:45:03.890760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089826
observed 128fa0c9c4061300e9b5ddc08d7787a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.872822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089826/manifest.json
observed a9db97eb48c5eb02cc710d1884c28c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.855550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089826/publication.md
observed 1f0c8e7d0d49fccbfa068366ec44837f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.837518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089826/publication.txt
observed 61dd3aa965e3d43bf397d587b4965b22...
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.