OpenTechnical

OT-2026-000012260

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed 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-2026-000012260) never changes.

Identity and time

Publication numberOT-2026-000012260 · never reused
Internal UUID01a0ae6d-39f5-7491-9666-f13526605fc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012260
StatusPUBLIC

Content hashes

Canonical text4c2a157336d06bdc596fb67ade14db9523faeab22be3acd4efee263c5238668a
Markdowne0fb93920210e3695fbc79d53dcf2086a0b7c53128267725c2dad22f29e16b75
PDF
Publication page3aafbafa674c92bd39307a3513f0c8d182f50bb572d8253c75ed24f9b619df05
Manifest84ba394892d7df4685e97f8739d548b018001151b9d919e15f38625f1279c621

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
Signature02kkGfzPF8L4YClTAjNVwqwQQcy4jh9wPWmH1+Z74IZkZfVugLVs7Vr7jlS3UPz+tXobOTwwVwwF2PvopIq5AA==
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

2026-09-17T12:11:11.517150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012260
observed 3aafbafa674c92bd39307a3513f0c8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.497804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012260/manifest.json
observed 84ba394892d7df4685e97f8739d548b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.477752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012260/publication.md
observed e0fb93920210e3695fbc79d53dcf2086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.457293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012260/publication.txt
observed 4c2a157336d06bdc596fb67ade14db95...
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.