OpenTechnical

OT-2026-000034788

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000034788) never changes.

Identity and time

Publication numberOT-2026-000034788 · never reused
Internal UUID01a0ae76-1ed2-7116-aaa9-d2c8f007891e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034788
StatusPUBLIC

Content hashes

Canonical textfa419af6eb66454280ba7e8055a3f271c4cf08ce2f4484910d3999db3f875c46
Markdown4e7a4ba5224957a1e2650a1782b5c9dbb9a814862de0a9fa676137712502ee95
PDF
Publication pagee0090cd384e5ccd8e18143b3b9aaffec1cb0cbf27b7a282580f9dc1f904f946c
Manifest2bd36b8a127dab590e59972c2272be24026cc7c23af19a3e1c95c1b2f70a3a13

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
SignatureaBsnU3okiX9wJVkOK7lW3e+ztHxOH+EpUYQCYISb6Eb8+YMsR8SDEBF12NFGbSy4JuPacXd3XlJbiwU7u/P2Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:17.393722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034788
observed e0090cd384e5ccd8e18143b3b9aaffec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.374411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034788/manifest.json
observed 2bd36b8a127dab590e59972c2272be24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.356878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034788/publication.md
observed 4e7a4ba5224957a1e2650a1782b5c9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.336184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034788/publication.txt
observed fa419af6eb66454280ba7e8055a3f271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:45.854886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034788
observed e0090cd384e5ccd8e18143b3b9aaffec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:45.835139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034788/manifest.json
observed 2bd36b8a127dab590e59972c2272be24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:45.817200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034788/publication.md
observed 4e7a4ba5224957a1e2650a1782b5c9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:45.798197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034788/publication.txt
observed fa419af6eb66454280ba7e8055a3f271...
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.