OpenTechnical

OT-2026-000050324

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000050324) never changes.

Identity and time

Publication numberOT-2026-000050324 · never reused
Internal UUID01a0ae82-5c47-7b8c-85cf-d59883434d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050324
StatusPUBLIC

Content hashes

Canonical text0eebfac29f991988754beae1fa1ed6dacfcfd750e497652bd39a4002c86abfe7
Markdown2861df64c8d61b126181cfc4a5d9f4e5dd38a0fe56652bb796783e76f9b18f55
PDF
Publication pagec1ad344b01046538fac90dbdae78b19792e9f29bf7eb24fcbeb8313acc7b6d80
Manifest3c4586d4c7c6201330d830949c5ac2ab03d5aee01c85a11c25a0a187fc973bb0

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
SignatureOELmVHb5kUOzgdwazPUN6FQMl1huQZ/CLQ2yQeJin+E5Lho3OYPdY6z9j62GxLQwtHsh9CW+Pa+7OxR8aRmPDA==
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

2026-09-17T11:01:20.929101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050324
observed c1ad344b01046538fac90dbdae78b197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:20.910834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050324/manifest.json
observed 3c4586d4c7c6201330d830949c5ac2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:20.892233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050324/publication.md
observed 2861df64c8d61b126181cfc4a5d9f4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:20.874552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050324/publication.txt
observed 0eebfac29f991988754beae1fa1ed6da...
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.