OpenTechnical

OT-2026-000041962

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000041962) never changes.

Identity and time

Publication numberOT-2026-000041962 · never reused
Internal UUID01a0ae79-e8a7-74f1-9a1a-7a1ae25e8793 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041962
StatusPUBLIC

Content hashes

Canonical text690b941bcd1e51e6bb9099d5fb92f47aaa60cdf9c391b3124d2e28299df1bb93
Markdown993846ecd8db6ac8004a34d9a54c3a5cab303ae555c4e05eeb1dda45e7236170
PDF
Publication pageb049771a50e67d4f8ef97180562442e9e7e97802d08450258585f3f2b883f966
Manifest649341fb500aa2f427316dc58f112e722b7b0c2aeb78941d82b1c78fc3c3158c

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
SignatureVD1A+2wLZ0gdnY1PLNDxJsIGDKS9mp2qU1iirTFAII0bqwyG7IwVo21CLpzy+7FAXoC+KTggbzexHb/rHjxUBQ==
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

2026-09-17T11:16:51.270821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041962
observed b049771a50e67d4f8ef97180562442e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.253556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041962/manifest.json
observed 649341fb500aa2f427316dc58f112e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.235334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041962/publication.md
observed 993846ecd8db6ac8004a34d9a54c3a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.214475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041962/publication.txt
observed 690b941bcd1e51e6bb9099d5fb92f47a...
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.