OpenTechnical

OT-2026-000071752

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, vented before 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-2026-000071752) never changes.

Identity and time

Publication numberOT-2026-000071752 · never reused
Internal UUID01a0ae92-1e91-769b-9f23-0a5aaacb3222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071752
StatusPUBLIC

Content hashes

Canonical textcb3baf1cae8bf163f85e7905de7c216daac9231e25c077e18c7850084a9ff116
Markdown5278b7a300139291cea79f32fb75fd8ad5febd1808a40767757b69ecba5bf325
PDF
Publication page22c24fcb332214ff550de74d3f0ea9e65afe937d346360db8f3322a99257cd35
Manifestb66bac04076a711a3477a896b2cba18a13685f5e52f8a0d063f6a37b815ed224

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
SignatureC6VBAtv1qoE/e43tbTRepfhux9gP0bmM48DO0WZECgor8lqI3AGfL1ZlCloyogDZSzKcuPSnVUKt5gkGH/5sCg==
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

2026-09-17T10:23:54.777937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071752
observed 22c24fcb332214ff550de74d3f0ea9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.760379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071752/manifest.json
observed b66bac04076a711a3477a896b2cba18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.742892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071752/publication.md
observed 5278b7a300139291cea79f32fb75fd8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.724689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071752/publication.txt
observed cb3baf1cae8bf163f85e7905de7c216d...
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.