OpenTechnical

OT-2026-000078228

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000078228) never changes.

Identity and time

Publication numberOT-2026-000078228 · never reused
Internal UUID01a0ae95-7c26-7b39-8d2c-7f83aa3598b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078228
StatusPUBLIC

Content hashes

Canonical texta5c906ace2db51590f7e40f1a9bdf5b0556c30b460ae0997fc6c0f75062956e6
Markdowne82aa7190e8725c5463ab03c69180c20e5178b1ac85635c83d9626a51bff9bbd
PDF
Publication page97a64caef98722f420881183f5968700113eb352136d1a8da70f1609bef6ac9e
Manifest9a5ef79402b14844974ede1cbf89b44b957a248c856247959ef94201cdf2c8cf

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
SignatureKDQj5qyFPobIeUixO6+nWXD5oZ61/44NYZFEA5IgcvH4qy/OEi1gyY38/2Ai9sUU6HK7jBzYN7G22eXPjO1bBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:03.582358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078228
observed 97a64caef98722f420881183f5968700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.565050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078228/manifest.json
observed 9a5ef79402b14844974ede1cbf89b44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.548548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078228/publication.md
observed e82aa7190e8725c5463ab03c69180c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.501248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078228/publication.txt
observed a5c906ace2db51590f7e40f1a9bdf5b0...
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.