OpenTechnical

OT-2026-000007942

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000007942) never changes.

Identity and time

Publication numberOT-2026-000007942 · never reused
Internal UUID01a0ae6a-908b-7716-a4ea-c92f32d8b265 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007942
StatusPUBLIC

Content hashes

Canonical textbe3b13e2876daf99baf805d44f8a2987b770f17f54873a6d9f32ec1acfbc5bd3
Markdown39348e016566970e73916339c2f5f5711cb2f4b7b7c48a57882eae5e322e6179
PDF
Publication page4b3c98094a8985b6d8e9030e62ad24736dda92f033712f9d0ed9dabdde769a34
Manifest0772a69a8b799819ad9f7d23e927d16eef01692f8b4234f68c19b30919210d0a

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/dMzdLMXNpbPzaBMNDFSUNWzzHPd5ndHY5oRZy9JI0LhFq7VOe0LrzFPkdtxTseMILeE3OjmMH80UI9h2KYQBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:26.814570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007942
observed 4b3c98094a8985b6d8e9030e62ad2473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.794396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007942/manifest.json
observed 0772a69a8b799819ad9f7d23e927d16e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.775110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007942/publication.md
observed 39348e016566970e73916339c2f5f571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.755137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007942/publication.txt
observed be3b13e2876daf99baf805d44f8a2987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.346183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007942
observed 4b3c98094a8985b6d8e9030e62ad2473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.326180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007942/manifest.json
observed 0772a69a8b799819ad9f7d23e927d16e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.307918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007942/publication.md
observed 39348e016566970e73916339c2f5f571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.289816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007942/publication.txt
observed be3b13e2876daf99baf805d44f8a2987...
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.