OpenTechnical

OT-2026-000049045

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000049045) never changes.

Identity and time

Publication numberOT-2026-000049045 · never reused
Internal UUID01a0ae81-134d-7b84-b6ba-422046c79f11 · 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-2026-000049045
StatusPUBLIC

Content hashes

Canonical textca54166518453fb0c52f6237bb0a365ab889c64d956c29f88bcd767bfe546246
Markdown949b0f108e4cddde3f51edc9ddb31eb122c28f01270d8cf49b565badb6d766db
PDF
Publication page005f8e8064c9e249d8d3087084bc054319bea8c3ed8619a58556ea17e5800069
Manifestb8c7973179e05b437f58f16dc089006a88313f644c381982641b5bc0f45ea24e

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
SignaturehBGSlb8PeqbWZi+gOpwyvl0z9IOYbmgUhAUoqKGnXxMMha2CbNe29i0ZpOWQjpqzzgz/Zz0DghfniBYwcKzECA==
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

2026-09-17T11:03:16.268814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049045
observed 005f8e8064c9e249d8d3087084bc0543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.250721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049045/manifest.json
observed b8c7973179e05b437f58f16dc089006a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.231018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049045/publication.md
observed 949b0f108e4cddde3f51edc9ddb31eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.212164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049045/publication.txt
observed ca54166518453fb0c52f6237bb0a365a...
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.