OpenTechnical

OT-2026-000023017

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000023017) never changes.

Identity and time

Publication numberOT-2026-000023017 · never reused
Internal UUID01a0ae70-46ec-74f2-808f-28d11f96e916 · 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-2026-000023017
StatusPUBLIC

Content hashes

Canonical text4663b752a10f63a0a795f6e1485c960c949b58d46979f67d50c4bf7c45420545
Markdownea7a042b7f06d820391660ce4618c5556e42f2bc74861492cacf23f08a5cb9f5
PDF
Publication page6e0eb198d9195831971ede8672e5093e69cdfd42a6ee9979847c4dd3257f9b59
Manifest53de438af6e77d8e688dc164a4080a38a28d26cc070c8cde9d77b8fbecf3ae5e

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
Signature9XcwlmnDijH1mMBhUuEFYNegMGp2g707On5T6KTpt+eKNs1Txv4lUiK9crRZwx8LPeYcbZrozIKQWY9+4eWuBw==
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

2026-09-17T11:52:36.858648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023017
observed 6e0eb198d9195831971ede8672e5093e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.840656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023017/manifest.json
observed 53de438af6e77d8e688dc164a4080a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.822115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023017/publication.md
observed ea7a042b7f06d820391660ce4618c555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.802626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023017/publication.txt
observed 4663b752a10f63a0a795f6e1485c960c...
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.