OpenTechnical

OT-2026-000102218

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102218) never changes.

Identity and time

Publication numberOT-2026-000102218 · never reused
Internal UUID01a0aea4-50f3-7ed8-add4-4278d53bf834 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102218
StatusPUBLIC

Content hashes

Canonical texte6b0ab20203d754d9d5dc5889ee81e375658bcb33c32253a34479a16bfa825e7
Markdown5f733bab2f4a2fd17c5131d1a635a6079a309f1b9773fc1ddbfe98e5cc470062
PDF
Publication pagee6e119f172f63101f754ae25f688872f934476318b283baa37b27c69b74b89f5
Manifest589b2a9fd05d132ed8a824e8a30388f5e94a74cf3e65535fa0dc59016c3b1ff0

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
SignatureL3RzmC/u5eVGHxjkOvvoozIpWsUFWB3k5+qstkMpDBZu3YF/lFrdf49RBvAyQpQUWsLvmiaA9XwBMbiIv6GuBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:23.716420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102218
observed e6e119f172f63101f754ae25f688872f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.699296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102218/manifest.json
observed 589b2a9fd05d132ed8a824e8a30388f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.681440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102218/publication.md
observed 5f733bab2f4a2fd17c5131d1a635a607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.663458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102218/publication.txt
observed e6b0ab20203d754d9d5dc5889ee81e37...
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.