OpenTechnical

OT-2026-000014644

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014644) never changes.

Identity and time

Publication numberOT-2026-000014644 · never reused
Internal UUID01a0ae6d-d093-7506-a9c6-37f5e18846a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014644
StatusPUBLIC

Content hashes

Canonical texte2e690b9f3d8e70783aae56d44eca8255157d0867a57a9a0a200d8de30daf84a
Markdownfc8e306abfd2ea93cc2af0cbaca324a4b2fa736edaac6201770074e34c77632e
PDF
Publication page187a324d28b2f3ef72613f77ad5bea64f82676d6baa574cd76ad59668087f63d
Manifest6d802ba226d1a06a7485e5f44ae62179e5f0255b30b548a7bb68a7c5a53731c9

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
SignatureT54NKRfRgORqxQlOU2jMY9xBnpf99O2twl5SeGd5eAIIpivnxDwgoQhRjawNsKGxR0FRu7wP4j+qHhi4PBmBCQ==
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

2026-09-17T12:06:27.936903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014644
observed 187a324d28b2f3ef72613f77ad5bea64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.919029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014644/manifest.json
observed 6d802ba226d1a06a7485e5f44ae62179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.899185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014644/publication.md
observed fc8e306abfd2ea93cc2af0cbaca324a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.880016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014644/publication.txt
observed e2e690b9f3d8e70783aae56d44eca825...
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.