OpenTechnical

OT-2026-000049037

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

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-2026-000049037) never changes.

Identity and time

Publication numberOT-2026-000049037 · never reused
Internal UUID01a0ae81-134d-7928-b74a-7dbb25350c0a · 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-2026-000049037
StatusPUBLIC

Content hashes

Canonical textc44c6af4ebbd7081b6cc4c0f3228ce8b98d64b7510c60bbe4af2d1f5d986908a
Markdown68a4afd964f47bec20fa66cb4b9b2aeb377291f4695a1c5d046aa31e1832f017
PDF
Publication page429c6b68c203e0faf09ef2b5cdf6963599988cff90c4912e22df3b48950c2fee
Manifest1ec08406c46319aa4dee2d0f3471408e40820b2b3bfae9f5667c9cf43f0448fd

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
SignaturemximC7rLf6nu/EivUpNtOqUjxbSkeZQY2HY3aE8qN3xtT4sS4Y5dqojVx9HWMqFbhTMZJQl47swz20kEClTeDA==
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

2026-09-17T11:03:15.592871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049037
observed 429c6b68c203e0faf09ef2b5cdf69635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.575673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049037/manifest.json
observed 1ec08406c46319aa4dee2d0f3471408e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.555689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049037/publication.md
observed 68a4afd964f47bec20fa66cb4b9b2aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.536157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049037/publication.txt
observed c44c6af4ebbd7081b6cc4c0f3228ce8b...
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.