OpenTechnical

OT-2026-000012395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000012395) never changes.

Identity and time

Publication numberOT-2026-000012395 · never reused
Internal UUID01a0ae6d-39f6-7948-a0c4-f67beecce1a1 · 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-2026-000012395
StatusPUBLIC

Content hashes

Canonical text9235a625cf2f0db3845b48e64977a895acf896ba44c18df6289c943ee51b36e4
Markdown38a275111baa1713c4337c9b3f993a87958a2a803994c77f5de6d88bd53d05a1
PDF
Publication pagead54cde0483eac20937b719a400607cc2de1a93b5444f113fefb88e446576942
Manifestf7f1f581c8fbec0c791ac37967b901be38c9b6aa11a4f96736939d3eb9123e36

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
SignaturezXLixdEuxwOp1YYicEkqesfiaiQU47yZ/LJ7elVGOqSp/vIdyxqH/W49HbsuX57DUpLtMauGSUs7FeHpDzxsCw==
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

2026-09-17T12:11:53.186601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012395
observed ad54cde0483eac20937b719a400607cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.168420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012395/manifest.json
observed f7f1f581c8fbec0c791ac37967b901be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.150258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012395/publication.md
observed 38a275111baa1713c4337c9b3f993a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.132330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012395/publication.txt
observed 9235a625cf2f0db3845b48e64977a895...
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.