OpenTechnical

OT-2026-000063901

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000063901) never changes.

Identity and time

Publication numberOT-2026-000063901 · never reused
Internal UUID01a0ae8d-53bb-70cb-8970-63b65aba9dbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063901
StatusPUBLIC

Content hashes

Canonical text3a943403eb852ddbfad8b761266e1bd4902a8a4697c00771939f99d8f6adde3a
Markdown2f7cd71af1d9fc2a540232cbfb78e946f2a9048246f7eb3cabfbfcb368cca6ad
PDF
Publication page0ccbad594d62e0d6d817d208b9e39e291cbaf93a366f0007d6c2277e4d78d554
Manifestda3d92df9f2e3c621e4b764da682d24205c9b57e12ddb07db87986120f257cea

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
Signatureu4mgL3gmRe1s4f5p5iGCVZXvi9Zcpw835vMbz+5qdqJAR1iqyB8Tb/jyqsvIuq+QzUql2OcL7ygZCCaZaWTPAA==
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

2026-09-17T10:36:56.870484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063901
observed 0ccbad594d62e0d6d817d208b9e39e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.851707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063901/manifest.json
observed da3d92df9f2e3c621e4b764da682d242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.834057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063901/publication.md
observed 2f7cd71af1d9fc2a540232cbfb78e946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.814608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063901/publication.txt
observed 3a943403eb852ddbfad8b761266e1bd4...
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.