OpenTechnical

OT-2026-000079685

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum 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-2026-000079685) never changes.

Identity and time

Publication numberOT-2026-000079685 · never reused
Internal UUID01a0ae96-4375-7a33-a061-cfe2ef567f6d · 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-2026-000079685
StatusPUBLIC

Content hashes

Canonical text327e25625cbfac3c2570c565978870466626bc052d6d602fc5435c8fc6209b70
Markdown555d1103afacdb046a0d6901c726a01c09d13a950c829168e87d4a5c3253fe5f
PDF
Publication page00ba3afecb1d4ed6df620742d000d046a0d569df27601daccf97c854c9a68d22
Manifest2478cd9a4381e166df0ce82df8d847b7496d0601d0003411f239537e1fbea5eb

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
Signaturer3fIQD+Y6k94fykWnZ6tjxgbTepJU2U3ZDXDPphCpAXsWZJib9AeqFpcDjocaBdJlx8WY8RO+y2I48YWPocAAg==
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

2026-09-17T10:03:27.431256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079685
observed 00ba3afecb1d4ed6df620742d000d046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.414733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079685/manifest.json
observed 2478cd9a4381e166df0ce82df8d847b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.396266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079685/publication.md
observed 555d1103afacdb046a0d6901c726a01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.376566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079685/publication.txt
observed 327e25625cbfac3c2570c56597887046...
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.