OpenTechnical

OT-2026-000081583

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000081583) never changes.

Identity and time

Publication numberOT-2026-000081583 · never reused
Internal UUID01a0ae97-0f71-7069-8f75-5de3e5731f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081583
StatusPUBLIC

Content hashes

Canonical textdbb0ee29faf1a05ba3c18f8eb92d6171008d5ba20ead9a2d8520e56c4aa5e0ab
Markdown5307e175f36461e503b44047ea52bb51aa45ba56bc470dcf9377b52c184b5685
PDF
Publication page93bceb6c881d415f6769b1ec3f532a881c2b296d1243fded23e3bfba1fee9ffd
Manifest3026e0a5a0a85e9d20af5096f87b0b2a8bd64d37eb1fecaa7e252d552babdd44

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
Signature/9Ys41oqyl8rWvuRd4yqYia7a5fkinxAwM6C/s828pQlHj4v3ZiuRDg0Wl5buLXREwmTaJCCar8j+muGiD54DA==
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

2026-09-17T09:59:37.039585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081583
observed 93bceb6c881d415f6769b1ec3f532a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.020920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081583/manifest.json
observed 3026e0a5a0a85e9d20af5096f87b0b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.002043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081583/publication.md
observed 5307e175f36461e503b44047ea52bb51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.984628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081583/publication.txt
observed dbb0ee29faf1a05ba3c18f8eb92d6171...
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.