OpenTechnical

OT-2026-000058188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after set-down

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-2026-000058188) never changes.

Identity and time

Publication numberOT-2026-000058188 · never reused
Internal UUID01a0ae88-6edb-7d90-bfa2-87d57588cd73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058188
StatusPUBLIC

Content hashes

Canonical text1a00673fc9436a7cfe5070d957e72026455416b2eebe8142d3d09349f0e5a733
Markdown380c8099c764749acee86b5208da5fd2d582810405f74613b164f6b8d34bbc7c
PDF
Publication page1d14fbe227a4c442bbf963149315ad3f1489b871b80095e33857eb70d0d36e47
Manifest465587744f63e90bffabe003cd842625a3e44a874df0423270760987e0d5b942

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
SignatureRNIeSSZe9YJx4Vmk7F5PM/vS0pAVmI2i71S4hxcbEONcraqOi6vrg3OuJ+XshrUiapuPydu5yf285GZVi+SiCw==
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...

Independent retrieval

2026-09-17T10:47:53.688997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058188
observed 1d14fbe227a4c442bbf963149315ad3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.669006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058188/manifest.json
observed 465587744f63e90bffabe003cd842625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.649533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058188/publication.md
observed 380c8099c764749acee86b5208da5fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.628972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058188/publication.txt
observed 1a00673fc9436a7cfe5070d957e72026...
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.