OpenTechnical

OT-2026-000100741

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100741) never changes.

Identity and time

Publication numberOT-2026-000100741 · never reused
Internal UUID01a0aea3-66f4-73f2-af5b-6d30fdd4ef51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100741
StatusPUBLIC

Content hashes

Canonical textb33141f24d9b8dba3266735e8f4b82caba20e95a344404d0b191d5071e001aa3
Markdown936e129aca652ae74c35848e4c46290ffd5f860225ea0c4bf93103ca424b407e
PDF
Publication page255db9df3639e0c9cb2f5e43df844130fc506226b24ee18eac9da4ab5005bab5
Manifestf92338bb00dd47619e0e1143aa72fd1e128e00be7fb8bb792f94d0587ef4f9f5

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
SignaturemRsll3drcEJzg+J2dHN4eg+1dFO9VL6jSXWr2L9Nival9renl1z4Y0ktGZFWOjl5rO84VxQUJvuASaSv9FS6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:34.449529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100741
observed 255db9df3639e0c9cb2f5e43df844130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.432217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100741/manifest.json
observed f92338bb00dd47619e0e1143aa72fd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.414128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100741/publication.md
observed 936e129aca652ae74c35848e4c46290f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.397178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100741/publication.txt
observed b33141f24d9b8dba3266735e8f4b82ca...
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.