OpenTechnical

OT-2026-000037516

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000037516) never changes.

Identity and time

Publication numberOT-2026-000037516 · never reused
Internal UUID01a0ae77-b8ce-7cff-83e5-0cf3e0c8988d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037516
StatusPUBLIC

Content hashes

Canonical text6569acae8baf091872aeb8ebfeeda19cda17c52fddc1f21cfe8758fa2d02c2de
Markdown56b4257440c4309f203b7d61eea373263946d7af87d2a6aaa23ebe95d0034d3e
PDF
Publication page672bac62af11fa6e4a41681efc0b8d74ea7f0f9bc6a2ce6a44d58e4b2ec8cfcf
Manifest3401bc754cf8ab99680d83aae31d1e54eea9419d4b56daa6d15e90040ddacc26

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
SignaturenfaTH0mYnsKhkwcCW+/fseacRDC2M80AXnWH4HgSrIC7LbkOgCnGeLMeLP3ZkexzlRwBQ8Ubgr6pCvXPykSNDw==
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

2026-09-17T11:23:57.983979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037516
observed 672bac62af11fa6e4a41681efc0b8d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.965764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037516/manifest.json
observed 3401bc754cf8ab99680d83aae31d1e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.947328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037516/publication.md
observed 56b4257440c4309f203b7d61eea37326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.931047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037516/publication.txt
observed 6569acae8baf091872aeb8ebfeeda19c...
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.