OpenTechnical

OT-2026-000030724

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000030724) never changes.

Identity and time

Publication numberOT-2026-000030724 · never reused
Internal UUID01a0ae74-3fb4-76a5-bd84-6cf785002338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030724
StatusPUBLIC

Content hashes

Canonical text82cd60cc977367aab766f7be955a779eb577b6b82ca93531247a593c946bdd9d
Markdown4d94d374cc2e9ac3b3f8ce7a5adca5442683fa64ebabeb8e4bf6dda868df90b6
PDF
Publication pageee54a1cbaa51b4a6eb22561e26915e889f6ce0dbe75c5565ffe3ef3691f6eeff
Manifest14ffe758a99be7349ff31b9c114011388e4f95e6851e07b207cabede2f33a95e

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
SignatureoC3KsyO0XNkvuLQc9c2jS0J4b9Lc6L/a70VTBQ+B6W0JMJZEEjdWbvA8I/oNjaolkTQFw3wctFgtVwQuzPJiCA==
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

2026-09-17T11:36:39.213383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030724
observed ee54a1cbaa51b4a6eb22561e26915e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.196061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030724/manifest.json
observed 14ffe758a99be7349ff31b9c11401138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.178667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030724/publication.md
observed 4d94d374cc2e9ac3b3f8ce7a5adca544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.161463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030724/publication.txt
observed 82cd60cc977367aab766f7be955a779e...
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.