OpenTechnical

OT-2026-000040653

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off after 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-2026-000040653) never changes.

Identity and time

Publication numberOT-2026-000040653 · never reused
Internal UUID01a0ae79-6d0e-7e87-8f52-fe90746045c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040653
StatusPUBLIC

Content hashes

Canonical text4643744369661be2c876ce0c8c861acb233e6f222e338bbff7fcc0f9efc36350
Markdownced0f18bccca75ff517e80b88d0f4e25f8c2bc647c873b0544b87d9347e78dcd
PDF
Publication page149aa2b2492ede5b9bd713b6c920e4a878646ef5256832077030af603d7709dc
Manifestbb8aff7347a3102565e1e01009f27ad14e55ccf1e33a7e5e27e62b613148fda0

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
Signaturenap6GaOQS8Vg1YvavQqB7h75kFKMZOFuvVAQOewcj3GS0dtNJQOjtP4zxuk78h3sgsQmsdZ7Ng+xe3BRRuQfCA==
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

2026-09-17T11:17:50.455454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040653
observed 149aa2b2492ede5b9bd713b6c920e4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.438172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040653/manifest.json
observed bb8aff7347a3102565e1e01009f27ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.420940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040653/publication.md
observed ced0f18bccca75ff517e80b88d0f4e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.404126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040653/publication.txt
observed 4643744369661be2c876ce0c8c861acb...
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.