OpenTechnical

OT-2026-000086151

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained 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-2026-000086151) never changes.

Identity and time

Publication numberOT-2026-000086151 · never reused
Internal UUID01a0ae99-e82c-72a7-9ddf-b18239582a2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086151
StatusPUBLIC

Content hashes

Canonical textd5ae7f46f1399fd6f668aaf2eacb0865ae02022ab3a3c258a92d9d00e5c66fc1
Markdown5c4072e4a3f96d084a0771fe30bc5dc561cf0e0f7c90384013d68a7a809c2729
PDF
Publication page4ec6d262c2588b9baaa1d289f1878e56b50e14532e214b25934c94642c48f057
Manifest5abca4e394e8f1bf7777e114006943e0c26abc5c8caa5316e26e010969fc1d5a

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
SignatureoMXw1pKZdI6Y0zzp6Wr0a35w3sOVegsIli/TYWMFJYbOvQcIISOCj/Ioc0lIPNUsMrdqnF5nYOaew8UwU8MqAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:49.172160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086151
observed 4ec6d262c2588b9baaa1d289f1878e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.152662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086151/manifest.json
observed 5abca4e394e8f1bf7777e114006943e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.134035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086151/publication.md
observed 5c4072e4a3f96d084a0771fe30bc5dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.115181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086151/publication.txt
observed d5ae7f46f1399fd6f668aaf2eacb0865...
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.