OpenTechnical

OT-2026-000008200

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000008200) never changes.

Identity and time

Publication numberOT-2026-000008200 · never reused
Internal UUID01a0ae6a-908c-750d-8727-571fd3a02ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008200
StatusPUBLIC

Content hashes

Canonical text3bd6c7d37b7b603725bafcf07811b79527fb84d91d4d2734552b0b448f6d9dd8
Markdown6890da7f62a3fb9a0c686ae9e6bf7a56421f3170717772a13085ea7adf5d60f6
PDF
Publication pagec0b7048dc7731343721b2743f905faa59a8410b005e0ff7561f303278cfb40a7
Manifest1eea7b5681fa3dc84bf2ab70dd8a60232a25ee9c7c83aa2b6abd6b4b4f3f025f

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
SignatureKmpwpuAOwdMYtBFeBbz0m/DtMxkwijtgTvoFIJ6zVB4jNBeHob4639XLFMy0wImxrmH5vaph8JJ6mUR8gD1iCA==
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

2026-09-17T12:20:36.240426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008200
observed c0b7048dc7731343721b2743f905faa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.214545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008200/manifest.json
observed 1eea7b5681fa3dc84bf2ab70dd8a6023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.195817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008200/publication.md
observed 6890da7f62a3fb9a0c686ae9e6bf7a56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.176256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008200/publication.txt
observed 3bd6c7d37b7b603725bafcf07811b795...
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.