OpenTechnical

OT-2026-000043073

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000043073) never changes.

Identity and time

Publication numberOT-2026-000043073 · never reused
Internal UUID01a0ae7b-3278-7416-b09c-8b01c76c042e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043073
StatusPUBLIC

Content hashes

Canonical text2bd9f519df1c8a63df556e2c63031643c3975f337b48a16929d86a397d6fe03d
Markdownc77765f346caeec0b74ad0a23965f85310a6eb9f3d4e5fe66139ed3bbc166060
PDF
Publication pagefdb3326d76117ae39f6931e2e7417eaddca333665d7b502d514aec612a5e8ddf
Manifest562ed0aecfba774c02fd040c8a6941f7fa88724850d847ef0cdb31fa9e4f43ec

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
Signature60lg3Iv+g82sAHK/ckDTxs3qpIM5Y6Ajq7/dWc+R7jaOCgbQfR+vKbV1qaMdqSQf90xxk1ywYAmdSs6gTkxFAA==
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

2026-09-17T11:13:29.255607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043073
observed fdb3326d76117ae39f6931e2e7417ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.236388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043073/manifest.json
observed 562ed0aecfba774c02fd040c8a6941f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.214810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043073/publication.md
observed c77765f346caeec0b74ad0a23965f853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.195880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043073/publication.txt
observed 2bd9f519df1c8a63df556e2c63031643...
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.