OpenTechnical

OT-2026-000080318

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000080318) never changes.

Identity and time

Publication numberOT-2026-000080318 · never reused
Internal UUID01a0ae96-7e77-78cf-b031-ba519f3b1f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080318
StatusPUBLIC

Content hashes

Canonical text2d637c74d2f8cd9385635e10f41197f67eb8948d94f4cd43ad55abb6968d0a74
Markdownafc4a2b414e08a644c63886f953e80997c0f77c5c6e5af7629c3ca7ea9bc47f8
PDF
Publication pagefa0145afde72114a05ac2799506976a713f4671ae7db3e14bbb8073c325c94c5
Manifeste39b7874ab0bde5cab80c38552e651c0adb5111ce092e5e8178e7b3486b5db5d

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
SignatureVGcHVl5DWIqCY5ief/UiqzsTXvYqZmTP1fe5z3NLj/3nwm54mSZSb8bsox2z1Kqg//OArfdxnynFRJvfIiXdDw==
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

2026-09-17T10:02:47.371821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080318
observed fa0145afde72114a05ac2799506976a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.354933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080318/manifest.json
observed e39b7874ab0bde5cab80c38552e651c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.337175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080318/publication.md
observed afc4a2b414e08a644c63886f953e8099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.318037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080318/publication.txt
observed 2d637c74d2f8cd9385635e10f41197f6...
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.