OpenTechnical

OT-2026-000031676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000031676) never changes.

Identity and time

Publication numberOT-2026-000031676 · never reused
Internal UUID01a0ae74-bad0-7635-9258-2f4a0f0d4471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031676
StatusPUBLIC

Content hashes

Canonical textea7bdbdd1b9c17194270e3aedadd1c641a2bd7f65aa9fb145b79361eb9b62d1f
Markdown3405225dc2a0bd51e9f0debcb1e4f9aa39915b24cc081fa3aacd9bda333d27b4
PDF
Publication page6ec0f22d9490bcc2ba36bb8ee35dd26efd1f5c4c97fcee7afd1348a1b021c236
Manifestb28402acdb814329b425dc5a1d4eb7801297005df9652854c5d85398cd4a953a

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
SignaturefD64HuJwDcdHp7WqoOarJdg/rgR+B0XqRWefUcUrc+G8KEFst9LoxVAgpfwzmUUg+GJkDJPDi55fZUNlAuIyCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:46.528958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031676
observed 6ec0f22d9490bcc2ba36bb8ee35dd26e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.509829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031676/manifest.json
observed b28402acdb814329b425dc5a1d4eb780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.491014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031676/publication.md
observed 3405225dc2a0bd51e9f0debcb1e4f9aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.473810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031676/publication.txt
observed ea7bdbdd1b9c17194270e3aedadd1c64...
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.