OpenTechnical

OT-2026-000062929

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000062929) never changes.

Identity and time

Publication numberOT-2026-000062929 · never reused
Internal UUID01a0ae8c-94a8-7008-b52d-c28166b0a845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062929
StatusPUBLIC

Content hashes

Canonical textffa076fde908a108dab5f1c16a1c694262bc53569bd15f2502c89a8ff48b5aba
Markdown343c7ea58f5186726c67cd20c20880eb2e75e09ad8dc63ca66f8a4c4f0595df4
PDF
Publication page87d83f9ab6d872bf0f237f93d3028b2c7a6ed0c3935cfbb9594baef455b0b797
Manifestd1f25889610e5d2026916ec582f8ffb3ebae83e059dd61ed9908b5ef2cb3ea6b

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
Signaturem4uomWGyh8KSvDJjF/+/W2Mc23qRs1avEyO9ZL/JKyXbqaqIICU1yS2mIopIkEUGZjwQ+8sYYPgyEuCBt2gVDQ==
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

2026-09-17T10:40:18.885261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062929
observed 87d83f9ab6d872bf0f237f93d3028b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.865186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062929/manifest.json
observed d1f25889610e5d2026916ec582f8ffb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.844990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062929/publication.md
observed 343c7ea58f5186726c67cd20c20880eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.821781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062929/publication.txt
observed ffa076fde908a108dab5f1c16a1c6942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:39.093560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062929
observed 87d83f9ab6d872bf0f237f93d3028b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:39.075554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062929/manifest.json
observed d1f25889610e5d2026916ec582f8ffb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:39.057485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062929/publication.md
observed 343c7ea58f5186726c67cd20c20880eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:39.039659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062929/publication.txt
observed ffa076fde908a108dab5f1c16a1c6942...
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.