OpenTechnical

OT-2026-000022853

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000022853) never changes.

Identity and time

Publication numberOT-2026-000022853 · never reused
Internal UUID01a0ae70-46ea-7fe9-923f-5f3a65f59dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022853
StatusPUBLIC

Content hashes

Canonical textdd30e701e5841613d751d287848784c1a80dd5f4e651a3a46bdd5821d8922ec4
Markdown2d07fda3dc26fd7ed70ae7775b8f7f63786f4e26364a87d406e16d5d0c4e2d0a
PDF
Publication page437fdb6c03b8570d54427ca68c0fed745b90fea2d3849b5aba87d5509303d985
Manifest90a26a392a0fd429141440a07e0c6793ade7f3201c4ec21966edcce57ea5087e

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
Signatureh3c9EgJZCwzYlky0ozxflMv1UBjVsO4Igu5HxQZKlCpudlDHtHOg66IsUUMJa/xiMaI0rXQmMXwDwTNQaO3ACw==
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

2026-09-17T11:52:23.515245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022853
observed 437fdb6c03b8570d54427ca68c0fed74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.496829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022853/manifest.json
observed 90a26a392a0fd429141440a07e0c6793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.479728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022853/publication.md
observed 2d07fda3dc26fd7ed70ae7775b8f7f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.461543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022853/publication.txt
observed dd30e701e5841613d751d287848784c1...
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.