OpenTechnical

OT-2026-000015833

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000015833) never changes.

Identity and time

Publication numberOT-2026-000015833 · never reused
Internal UUID01a0ae6e-0c4c-705f-9139-606d3eae613b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015833
StatusPUBLIC

Content hashes

Canonical textb12b64f0cf157007ef10292e0ac0410acd0c3b1b057dbe55fbbb3bcfd0152da9
Markdown49c5317bbea8252e1bdc004079d58df11df0e274edfdf085885a4b873ea37c91
PDF
Publication paged95a476d24d5b344cab84e2835b950ab188f044bd7d357b3b58ca986fdcc8b4d
Manifest1b34ddccdcd599abfbff7af9963136aa60b1e256aa49d18c935537306f1daa08

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
Signaturezo+LffjIh3Ubi4tDpZra8PuMEG8f52SJ9tUfPRpfdWXvzcZVR0Hyt9Po6o0fqtGQ4PTsrzGMeyj5ui7HCvctCg==
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

2026-09-17T12:05:09.203304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015833
observed d95a476d24d5b344cab84e2835b950ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.184282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015833/manifest.json
observed 1b34ddccdcd599abfbff7af9963136aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.166981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015833/publication.md
observed 49c5317bbea8252e1bdc004079d58df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.148579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015833/publication.txt
observed b12b64f0cf157007ef10292e0ac0410a...
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.