OpenTechnical

OT-2026-000008665

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000008665) never changes.

Identity and time

Publication numberOT-2026-000008665 · never reused
Internal UUID01a0ae6a-e46b-7655-a585-d6621fb00514 · 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-2026-000008665
StatusPUBLIC

Content hashes

Canonical text0b868445210a57dc3b1056d788fc1873e0ec7c100162a1d74dd137d8001ce08d
Markdown89763bd0249ba49a6be73dc62b82e36eb29de7a30790aea5fde4b09918ddb5e7
PDF
Publication pagea44e3852e2b8c255e85d477d2e8dd109e2537caa7fa47dff6a61de4a62e9ff5e
Manifeste6275ce7cb60701eec82a080ed963976744abb1ae03817348a4d6d48ca521ad3

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
Signature8fR+wepfmhNmO/UJjS9PsqFJZt9XKg03/b+0TvM68oSxuNNQS8/RNo8TkF5ZADdguA1EUgzDamAsmQgxcPd7AA==
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

2026-09-17T12:18:38.744909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008665
observed a44e3852e2b8c255e85d477d2e8dd109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.723459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008665/manifest.json
observed e6275ce7cb60701eec82a080ed963976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.703111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008665/publication.md
observed 89763bd0249ba49a6be73dc62b82e36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.682797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008665/publication.txt
observed 0b868445210a57dc3b1056d788fc1873...
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.