OpenTechnical

OT-2026-000020996

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000020996) never changes.

Identity and time

Publication numberOT-2026-000020996 · never reused
Internal UUID01a0ae6f-65e4-7199-9f94-182b0069f307 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020996
StatusPUBLIC

Content hashes

Canonical text915566f60565895a83068fe7fd21b516747888ee98f7a5b47df85f471a343657
Markdown630cf8f1465d7a3c21c68370edc5d3ef10c5a23949dd7f1e6f4499c5bcfd8520
PDF
Publication pagec6952b679c377143b1762da09d703f1f39481f57426fe61c904ba31986352c9e
Manifestc349a0dc426e9c0ab0721b7f9c7be750c70121da902c3d49a45cb127fb942a30

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
SignatureKfm4KxMC00jE1vutUZQOqZWd2+PCGzmFcTLQXrB0IFuhfOLIs/0Wf89xXvns/uFb9B1Clq9KedgHtiyJfDMsCQ==
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

2026-09-17T11:56:09.027200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020996
observed c6952b679c377143b1762da09d703f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.007715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020996/manifest.json
observed c349a0dc426e9c0ab0721b7f9c7be750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:08.989538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020996/publication.md
observed 630cf8f1465d7a3c21c68370edc5d3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:08.971597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020996/publication.txt
observed 915566f60565895a83068fe7fd21b516...
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.