OpenTechnical

OT-2026-000073100

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000073100) never changes.

Identity and time

Publication numberOT-2026-000073100 · never reused
Internal UUID01a0ae92-c816-7af7-9c02-f52d2355252f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073100
StatusPUBLIC

Content hashes

Canonical text63893b4da2a4cae03cba75e38f184e8dbf0593fa2db690e203d58faebeb29cc7
Markdownf7f147842a9a13eea1d462b6821acbf890dab789c8c27cf25061e81f3eb43635
PDF
Publication page89182f4a3f7448095edfa8ddeb9bbb8186213f0d95f87810bca9f6d3e4ae03d7
Manifesta4e7b094391b17651112c93eddd6037f7e79ac11b1d9d49cfb7dd6d09b864485

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
SignatureRAGAXkun+8Jxyv+/g9BTXe8ZgFPHz4yK06WL4+EXOVzPJ252GLgc2fkhB/NH0JtpPLhschXjopPiC9XLVQVQBg==
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

2026-09-17T10:22:03.627113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073100
observed 89182f4a3f7448095edfa8ddeb9bbb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.608476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073100/manifest.json
observed a4e7b094391b17651112c93eddd6037f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.590471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073100/publication.md
observed f7f147842a9a13eea1d462b6821acbf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.570299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073100/publication.txt
observed 63893b4da2a4cae03cba75e38f184e8d...
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.