OpenTechnical

OT-2026-000047345

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000047345) never changes.

Identity and time

Publication numberOT-2026-000047345 · never reused
Internal UUID01a0ae7f-3e57-731a-a69f-4f3fc92b666d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047345
StatusPUBLIC

Content hashes

Canonical text61b95f940f0a093de1dc48ca884476db03d063ac34d1bb0b2cec509a1702dd75
Markdownc7835a1f2e11e2bcac9ea43f86cdd75638c159833cf948eab97466f6a1c0bf2f
PDF
Publication page1a0fa2b66aa1bc7525601b8f8899480e1923fdbed4b0539e8d0d4423868a11cc
Manifest63d8959e48b4dabc535d6cdcaf28a1e58847ab2972529b70406f68b7e4edad88

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
SignatureUfpueE78a1cg7rBuowxUsxtZxGFRBldnr1AqfiQ1WhHZro70GrFz18vabd9X41nfgB5AnA9oa+HpvPMr9csIBA==
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

2026-09-17T11:06:20.304299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047345
observed 1a0fa2b66aa1bc7525601b8f8899480e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.286468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047345/manifest.json
observed 63d8959e48b4dabc535d6cdcaf28a1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.267801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047345/publication.md
observed c7835a1f2e11e2bcac9ea43f86cdd756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.250028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047345/publication.txt
observed 61b95f940f0a093de1dc48ca884476db...
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.