OpenTechnical

OT-2026-000102622

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000102622) never changes.

Identity and time

Publication numberOT-2026-000102622 · never reused
Internal UUID01a0aea4-858b-7873-97cf-606e9ea2cdf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102622
StatusPUBLIC

Content hashes

Canonical textbc33e5bf04a622ea0c52bd323ada0828af1190a6dedcf98dfaa32f4467e7992f
Markdown44e5a67ba35573ff1762924ad42d132aaf5ad03a3dcc0aeaebec839973b5f982
PDF
Publication page561c9c2dce77778f51bddb4ae2ebfa3fe3c282471766071f723809d01aff6754
Manifest7829b71aa450baaadd71e158824cbd1187c67bc10c061fe1f9dd166f425935bf

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
SignatureiAhpMGRob0iuF8wpFQoI+dM1/6+D0YNR3wyQSzBnCuPRGviulhwD9GIUZzF5g+ai/PuOYYi6CN6n81U31YbfAg==
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

2026-09-17T09:24:06.852063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102622
observed 561c9c2dce77778f51bddb4ae2ebfa3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.832789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102622/manifest.json
observed 7829b71aa450baaadd71e158824cbd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.815525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102622/publication.md
observed 44e5a67ba35573ff1762924ad42d132a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.797735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102622/publication.txt
observed bc33e5bf04a622ea0c52bd323ada0828...
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.