OpenTechnical

OT-2026-000086573

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000086573) never changes.

Identity and time

Publication numberOT-2026-000086573 · never reused
Internal UUID01a0ae9a-2c98-7252-a0af-713c391d3ea2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086573
StatusPUBLIC

Content hashes

Canonical text0c2b253fbc02baa9448df4676bacc54dabbf7b23abcd52d81fc5ed340d9b6133
Markdown9164aa5ea03961f436caa2edb718282deb281af9f58489709881ebb2bb50a9cd
PDF
Publication paged1e907a42e8acc6219ae0d8dcf7998351c856dda13bb975200038d33cdb40389
Manifest6410a742141b4878e2229a9e31bbb8417d17c7da5a15e5d324dd6d4ae264669b

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
Signature/6+u70uR1SovH7MBB/Fc3BT8LXjow97kbgL1Gh3LV0TFq7i/GMmM7AXCeg7X06xWn7XbJdFFSSu1tkFSD7qqBA==
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

2026-09-17T09:52:24.518943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086573
observed d1e907a42e8acc6219ae0d8dcf799835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.500405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086573/manifest.json
observed 6410a742141b4878e2229a9e31bbb841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.480906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086573/publication.md
observed 9164aa5ea03961f436caa2edb718282d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.462988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086573/publication.txt
observed 0c2b253fbc02baa9448df4676bacc54d...
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.