OpenTechnical

OT-2026-000049164

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000049164) never changes.

Identity and time

Publication numberOT-2026-000049164 · never reused
Internal UUID01a0ae81-134e-7b86-9f3d-1d996b426524 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049164
StatusPUBLIC

Content hashes

Canonical text4d9fdb20012704496caa2a684c24b0b7e6438eef7f4db002363e4a61231f4eee
Markdowne1ceb3f217cfa85d87c375e449caaa3a682e25f29c448de168c19c9ee1987809
PDF
Publication pagebf007f2074b8df7139d591d99a2f053686fae815744b31685502bad05c434854
Manifest258d2def975ae77cde7ec43c8920d02e5db90829dafd7ce6e127eb32cd1e6753

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
SignatureQpvUaUYDVLXkicUaK60hKrS8JCgX9He1X0rlYYxCL/84lElCkLy0LPrQyetUKL49/SDzti7uvqGnuKfsmA1xDg==
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

2026-09-17T11:03:57.714503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049164
observed bf007f2074b8df7139d591d99a2f0536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.696676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049164/manifest.json
observed 258d2def975ae77cde7ec43c8920d02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.678187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049164/publication.md
observed e1ceb3f217cfa85d87c375e449caaa3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.661219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049164/publication.txt
observed 4d9fdb20012704496caa2a684c24b0b7...
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.