OpenTechnical

OT-2026-000013893

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000013893) never changes.

Identity and time

Publication numberOT-2026-000013893 · never reused
Internal UUID01a0ae6d-8dea-70c8-9941-ce3a63cf5057 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013893
StatusPUBLIC

Content hashes

Canonical textbc1926f214c9dc93aa020632393a521be5edd769a7b93aa19a937fac9d9c3317
Markdownbd708aa71b3871293c1d2b954e9e37a21385006f24066d1e565d8f379e9f3007
PDF
Publication page2d340e4fb00a0ee17844d03dec22b58ffc07ea4f7fb505b9137da295f33d3f79
Manifest332c2d5056bf57f2999f2435580f1663544136c528b21e9b73cd5d666344688a

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
SignatureAO9kPVNvYsKM1EPS0aH20NqKL9a3bpK05OZ7oSij8ApnEtrQDzCmgS67xs4RgFjgAMmpUlOrAgcfBi6cecFFCw==
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

2026-09-17T12:09:01.025765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013893
observed 2d340e4fb00a0ee17844d03dec22b58f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.006516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013893/manifest.json
observed 332c2d5056bf57f2999f2435580f1663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:00.987116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013893/publication.md
observed bd708aa71b3871293c1d2b954e9e37a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:00.966673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013893/publication.txt
observed bc1926f214c9dc93aa020632393a521b...
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.