OpenTechnical

OT-2026-000086854

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000086854) never changes.

Identity and time

Publication numberOT-2026-000086854 · never reused
Internal UUID01a0ae9a-80a4-778a-8058-abbdd57594bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086854
StatusPUBLIC

Content hashes

Canonical textaab189cb7d77ef0f7427f5fd38d478092b9bca825b9bfba5211fde13d37d20f2
Markdown7ab06a9ae0f42130dbd1b7ccf505a9082314f27aeeeda63dc937061348728b29
PDF
Publication page6f1a0a53a34edf6e73e4becc4ba4a762027e25ebef3eacef460e72589d1ddded
Manifest672ec163ae7e3545265e689d79c69876ffb61f4a67776f6e626b48208ff3ada9

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
SignatureuWJMW6nF0WSWp2h2CotRQzv5BhQGN/zTGP9THktcJueypJdzAJx7dOjKo4ULTMeHVK3HeVl6snEKjVgBvsU0Aw==
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

2026-09-17T09:51:41.369694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086854
observed 6f1a0a53a34edf6e73e4becc4ba4a762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.353397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086854/manifest.json
observed 672ec163ae7e3545265e689d79c69876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.335388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086854/publication.md
observed 7ab06a9ae0f42130dbd1b7ccf505a908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.317793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086854/publication.txt
observed aab189cb7d77ef0f7427f5fd38d47809...
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.