OpenTechnical

OT-2026-000079769

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000079769) never changes.

Identity and time

Publication numberOT-2026-000079769 · never reused
Internal UUID01a0ae96-4375-7a0a-aca7-057ce9f15bff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079769
StatusPUBLIC

Content hashes

Canonical text0576b1f32d4d5c418826c7927b2f46ab2d26fd1bd2a1d788ddaa4d1f9b4208ee
Markdowne3484cf3c59de7d9218f0758ec1b0e33346139c8652577b3700623e9d0d3f530
PDF
Publication page9168df49c3476fd03f863c38a61a68e8c78d408351e54dfb6cf1254c16a4f39f
Manifest50e822b73e56a7a4f892e1ba75c74d5d43474344b7c3871792ff2fa1b04beaba

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
SignatureuJHmGx3TzqokvKk6YjPw6TbI445UC7b8Wg2aHs2Fv9CyeiiVmaBPdJ/1+B7dWSQs2DcqL35m0vLSt3SNM+WyBg==
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

2026-09-17T10:03:38.477167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079769
observed 9168df49c3476fd03f863c38a61a68e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.457034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079769/manifest.json
observed 50e822b73e56a7a4f892e1ba75c74d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.436358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079769/publication.md
observed e3484cf3c59de7d9218f0758ec1b0e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.416272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079769/publication.txt
observed 0576b1f32d4d5c418826c7927b2f46ab...
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.