OpenTechnical

OT-2026-000043487

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000043487) never changes.

Identity and time

Publication numberOT-2026-000043487 · never reused
Internal UUID01a0ae7b-92ce-76b8-a8d7-3a641beedd4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043487
StatusPUBLIC

Content hashes

Canonical textdaa0096521415bd89f861d0b25bcbfc170542974b58fea9959e2f0540a8105e9
Markdowncf736561b1dc43d28517276a89026716acc60bedb520aba0e9e2a0a375e3d8c4
PDF
Publication page86e6f0a4ab806a104310a78ecea52389bd327a01cd8fefe1ddec990447ca3a39
Manifest89d40f3e729546ac04253bbc04de904c3bf89c797b9c9834ada25c3b8d30aee6

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
Signature+WWBqQjLMrbWCF4DTx/H4X1QO6HijRK0UIgVHbeE6aERcY4k4Yr8VGhwIaLmA+CdGZbKs4bg2TlQ7usrr9KRBA==
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

2026-09-17T11:12:50.915815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043487
observed 86e6f0a4ab806a104310a78ecea52389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.897896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043487/manifest.json
observed 89d40f3e729546ac04253bbc04de904c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.879578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043487/publication.md
observed cf736561b1dc43d28517276a89026716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.862300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043487/publication.txt
observed daa0096521415bd89f861d0b25bcbfc1...
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.