OpenTechnical

OT-2026-000049909

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000049909) never changes.

Identity and time

Publication numberOT-2026-000049909 · never reused
Internal UUID01a0ae81-fd76-74c6-afb6-7238be1a3e6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049909
StatusPUBLIC

Content hashes

Canonical textec9262df99bfc3d79a41142b569e4e4d68eaa6665d777befde591e37a0edb644
Markdownaf664e772689d226eeec333613b31ab294f011883aa6fdc3bba6d53d366770cf
PDF
Publication pageeb651497827b1498c2db99ba344dfe36e0ec07ce3d8857effbf1db413c796746
Manifest4d61403b186f016a2c39ae6e6303becbc9258d72cf9ff43cf441fe1da68cb316

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
SignaturelmbBy/6WbCbOTdjnRcnUHlSXpyWhts8v+3Fj8PM1lkP/q+keJlh6fYwul6x5Im9zBkbRUIy1apbkkeRrY82JCQ==
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

2026-09-17T11:01:49.950459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049909
observed eb651497827b1498c2db99ba344dfe36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.927767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049909/manifest.json
observed 4d61403b186f016a2c39ae6e6303becb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.907626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049909/publication.md
observed af664e772689d226eeec333613b31ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.889379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049909/publication.txt
observed ec9262df99bfc3d79a41142b569e4e4d...
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.