OpenTechnical

OT-2026-000069639

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069639) never changes.

Identity and time

Publication numberOT-2026-000069639 · never reused
Internal UUID01a0ae90-b52c-7c5e-b207-edc9ccaa506f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069639
StatusPUBLIC

Content hashes

Canonical text218a813e092bf4a1451c9e73b1647546781030c81c2f09983d432af3a3c64188
Markdownf13d6240900c4776c658d879d9c618348d319c744ae5d60c1d58edc620ad7f34
PDF
Publication pageb701067f3215524001ce2989a33d30eb2e5e08eb8df2bfa9d99b3d67a18a206d
Manifestb9ad961dc2526170f957bb049324ed0114b11261c4235fe3d6a0899cf4719866

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
SignatureARF/YprYP/PqAbXYziWbfsbjnPYYQ5aU+uMJQhENC7D8s6Y+uDro0mhMrtJu9IP6QV4bXUQckXDMWHWzdef9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:18.415219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069639
observed b701067f3215524001ce2989a33d30eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.398099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069639/manifest.json
observed b9ad961dc2526170f957bb049324ed01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.380087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069639/publication.md
observed f13d6240900c4776c658d879d9c61834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.362993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069639/publication.txt
observed 218a813e092bf4a1451c9e73b1647546...
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.