OpenTechnical

OT-2026-000056853

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000056853) never changes.

Identity and time

Publication numberOT-2026-000056853 · never reused
Internal UUID01a0ae87-7af8-7174-a2b6-a961688373de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056853
StatusPUBLIC

Content hashes

Canonical text79da62988957871317fa915b17b4b90dfafeab67bd3ae79ef48cf378ce2c5b2e
Markdown82b37dcaf0ee76e69e2f25edc7fb899676107fa05b252083dd56e42de23a9da0
PDF
Publication pagee47309f51377697da6f9a31ac6af65b71827ba0b7c79576d62777b5e58ebb44a
Manifest77b26bd3d2bbfadce17d5d451811a070439f1e000614bd8b011ffd582e72a8bb

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
SignatureZuC536cr8MuAlnFuHQYTLFRvGlXzYNc/Z6uJ2UzPew+2RJHrgZ37LxD5fgB24xh7VfRatbdriJkphhGztHYMCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:21.282798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056853
observed e47309f51377697da6f9a31ac6af65b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.264522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056853/manifest.json
observed 77b26bd3d2bbfadce17d5d451811a070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.246167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056853/publication.md
observed 82b37dcaf0ee76e69e2f25edc7fb8996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.228402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056853/publication.txt
observed 79da62988957871317fa915b17b4b90d...
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.