OpenTechnical

OT-2026-000008714

Publication integrity record

Three cup vacuum gripper, three 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-2026-000008714) never changes.

Identity and time

Publication numberOT-2026-000008714 · never reused
Internal UUID01a0ae6a-e46c-7340-8518-d8f5b265a786 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008714
StatusPUBLIC

Content hashes

Canonical textad8a86131a9e9d8730553e14f39693f4fadc41e4de5289610a6cab1314d73df7
Markdown59b58184b2028d60fe23196767dd165224d91207b1421123869d4975d70c392e
PDF
Publication page4f12184b6f5533d7a5f0ce119f2744d15011c46a2331b69d878897d781176ce0
Manifeste3e0c6d52fa32b31349b91af317ad5438a5e730a5498f89741dada2c37b0053b

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
Signaturen6hwc3/B3VWWeANljYQu+cFj05m+AqMv0ywOZP8VdRVTBb4jGlAz+W30fNVXUfg9Mf5fJ1Ewf7Dlm25jNQrpBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:47.502949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008714
observed 4f12184b6f5533d7a5f0ce119f2744d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.483967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008714/manifest.json
observed e3e0c6d52fa32b31349b91af317ad543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.464878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008714/publication.md
observed 59b58184b2028d60fe23196767dd1652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.440408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008714/publication.txt
observed ad8a86131a9e9d8730553e14f39693f4...
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.