OpenTechnical

OT-2026-000067745

Publication integrity record

Four cup vacuum gripper, four 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-2026-000067745) never changes.

Identity and time

Publication numberOT-2026-000067745 · never reused
Internal UUID01a0ae8f-c4fa-76ee-a193-410d3021f8c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067745
StatusPUBLIC

Content hashes

Canonical text76288736274149cc5e6934e8166874612b201b72de6dea9db8e6e41729ccc25a
Markdowna60986d3740742e4bccf22626f87a0211f6c3c65db29016bdc50f53576a981d7
PDF
Publication pagef5bc5602ee3874f7c118b06e787cfc8293ac1f44941e8b56095de7edb6227704
Manifestbe2447e73153366d21c5af5503ca823c954a8a21b203577cda8be7857d912706

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
SignaturecAag4piTPQ61V8EwCbK/1nOw/Ph4Z4G9rauMOpUhf2/vGShRjUu2QuIwDbTaSrLhgTlVJjPqDpvFDG9tcMYjCw==
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

2026-09-17T10:29:58.081599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067745
observed f5bc5602ee3874f7c118b06e787cfc82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.064636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067745/manifest.json
observed be2447e73153366d21c5af5503ca823c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.046839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067745/publication.md
observed a60986d3740742e4bccf22626f87a021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.028858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067745/publication.txt
observed 76288736274149cc5e6934e816687461...
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.