OpenTechnical

OT-2026-000082632

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000082632) never changes.

Identity and time

Publication numberOT-2026-000082632 · never reused
Internal UUID01a0ae97-8cc8-7d40-b8e8-39e1d581efb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082632
StatusPUBLIC

Content hashes

Canonical text983f6d456238ee6a60cbb1371d705b0bf87e1c5f48965ea5652a670555357d3f
Markdown3b515a645ac06d7deae2fc85da06dfed0e8bb3b9b69eedf75e6801793b6c3ba9
PDF
Publication pagea7366625f63b658ab51e44930e8822e17e7e5ac14d97519e73b130fd8b53911a
Manifestd0343f51e7bdee85b6bf9001352e419b0b51c978ea8d24ab997f3221e0bccde2

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
SignatureaRg1GHamoen+VRPOFKEFzzud7wfZOo3gJajpTU2bFHG7OlTUkmFY125Lgp0imc8E7kqLnL+fHPVGcKe8updqAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:11.235037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082632
observed a7366625f63b658ab51e44930e8822e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.217197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082632/manifest.json
observed d0343f51e7bdee85b6bf9001352e419b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.199335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082632/publication.md
observed 3b515a645ac06d7deae2fc85da06dfed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.180976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082632/publication.txt
observed 983f6d456238ee6a60cbb1371d705b0b...
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.