OpenTechnical

OT-2026-000034795

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000034795) never changes.

Identity and time

Publication numberOT-2026-000034795 · never reused
Internal UUID01a0ae76-1ed2-7953-b10d-702ecb7cc95e · 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-2026-000034795
StatusPUBLIC

Content hashes

Canonical textb7cc6c0203db7a56483db1f46d526deccc1700343eb48e510d0af9b2f344ba7a
Markdown4a54262d8a71ed62db4d58e75fcd28d45ad0e19c70be455c2c0cae4135e63054
PDF
Publication page2d36cacb107cf545b93f54d4e982f4a4ea26ad08e516118e512324273c808770
Manifest79a1ea16ddb60ec6b7ec3ec71e85d11a8acb01ffa65e39be882c2fee26658ec0

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
Signature83uOEReF+E8d4gWuKJM2MK7yCePFXpi3Y7xvKAaTzQMoCbSoP40+LWN2wSwIV4DjM4FWtDKQulbXPAxICFfMAw==
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

2026-09-17T11:30:17.982957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034795
observed 2d36cacb107cf545b93f54d4e982f4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.959726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034795/manifest.json
observed 79a1ea16ddb60ec6b7ec3ec71e85d11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.940685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034795/publication.md
observed 4a54262d8a71ed62db4d58e75fcd28d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.921903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034795/publication.txt
observed b7cc6c0203db7a56483db1f46d526dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:46.404290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034795
observed 2d36cacb107cf545b93f54d4e982f4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:46.387534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034795/manifest.json
observed 79a1ea16ddb60ec6b7ec3ec71e85d11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:46.369325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034795/publication.md
observed 4a54262d8a71ed62db4d58e75fcd28d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:46.347288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034795/publication.txt
observed b7cc6c0203db7a56483db1f46d526dec...
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.