OpenTechnical

OT-2026-000014072

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000014072) never changes.

Identity and time

Publication numberOT-2026-000014072 · never reused
Internal UUID01a0ae6d-8deb-71cb-b070-f511ce3de07c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014072
StatusPUBLIC

Content hashes

Canonical text32e675f1584103cf57ace0e8e9e411a70d50b5398b41d0f0bef95acd0be87118
Markdown8913a7bd9ba1a79f53a44c56b0dfe865f6984ed3dac11eb10ea43869c45a8d60
PDF
Publication page6362baed51c29c7ce435fab9f9f87d6eca6f187478ed528653a0354ec3491694
Manifest15eb55ed5f2f3605566f4ac62cc11ca07b0937246cde994769d9d911034f780e

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
Signaturek+5DV5jkRvv/kAU4DBJNydkJ6KmKZkIdzwAzpYtqqBPb2HBECKhSp3Hx07aEG7FYZGoWlmROoVWG37BjAOfiDw==
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

2026-09-17T12:09:19.226561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014072
observed 6362baed51c29c7ce435fab9f9f87d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.206152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014072/manifest.json
observed 15eb55ed5f2f3605566f4ac62cc11ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.187371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014072/publication.md
observed 8913a7bd9ba1a79f53a44c56b0dfe865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.169264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014072/publication.txt
observed 32e675f1584103cf57ace0e8e9e411a7...
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.