OpenTechnical

OT-2026-000015535

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pulsed 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-2026-000015535) never changes.

Identity and time

Publication numberOT-2026-000015535 · never reused
Internal UUID01a0ae6d-ef4a-7ac4-a9d9-4b2164f265ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015535
StatusPUBLIC

Content hashes

Canonical textee72640c3e2ac0f342717e84ebb038f72a469c4476728011d1e6f8ab5801f3c4
Markdowne4056f5cfa004f127fb1fc1a5693ce15bdb7daf3f33131b3e3abce0b8ae53122
PDF
Publication page3ed8573a37a899842730c2a6d1b660a299b6e6e10306576e5bb59d8d72274b80
Manifest07a0586065ff300b83da6d47eab8af27259d9d6f1896e6a812fc865434c45d01

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
Signaturez5O4CDSFFmz/9BmyRh9NWLfzg1qVpAtQ+P79YSI+ZhJgQhj5hVr4oaVQwTTECWYKmhCDSYG2nFFDJ5+uXSpCCQ==
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

2026-09-17T12:06:18.888539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015535
observed 3ed8573a37a899842730c2a6d1b660a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.868106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015535/manifest.json
observed 07a0586065ff300b83da6d47eab8af27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.847218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015535/publication.md
observed e4056f5cfa004f127fb1fc1a5693ce15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.825429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015535/publication.txt
observed ee72640c3e2ac0f342717e84ebb038f7...
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.