OpenTechnical

OT-2026-000017760

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000017760) never changes.

Identity and time

Publication numberOT-2026-000017760 · never reused
Internal UUID01a0ae6e-96fa-7a54-bd45-d8e12cb399d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017760
StatusPUBLIC

Content hashes

Canonical text6bfdd0e87b6f23d06f4dec27292e7c25dd684f1dd3403a75e31ed39839567f07
Markdown85f650d27a61498fa29aac89931f41d21f14d2e74fa4f955cf0eb0012708d6c8
PDF
Publication page59062853fd0ee0f5b18a527edc5201a88f8d63d0f4de13a736da9fb0e6101fce
Manifest915dddc41ff0e401282fd44104d7e3410d84bd2c21daf2cc3bed6739fdee505d

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
SignatureQ0qKYKgwz836q+EnOOQ6ojCGvBk+b+p3DL+jQRLiU6lnTXWvtVHlBdHDa3luHXhiHMWZ1RE6G5E+s4KoATuTAw==
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

2026-09-17T12:01:42.973232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017760
observed 59062853fd0ee0f5b18a527edc5201a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.957524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017760/manifest.json
observed 915dddc41ff0e401282fd44104d7e341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.942139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017760/publication.md
observed 85f650d27a61498fa29aac89931f41d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.926667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017760/publication.txt
observed 6bfdd0e87b6f23d06f4dec27292e7c25...
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.