OpenTechnical

OT-2026-000079831

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000079831) never changes.

Identity and time

Publication numberOT-2026-000079831 · never reused
Internal UUID01a0ae96-4376-7928-a699-c4b43a3596dd · 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-2026-000079831
StatusPUBLIC

Content hashes

Canonical text48194a68673cad87f9ac71a67cbfaec1a878d05d3cd752d0365743143fbaf4c2
Markdown7662211565617ede857a799f515ff02c93d7b5a3606c8ab38d1257d2f415488b
PDF
Publication page70fb5cc37f8ff9f308fb4c82dfc347d3166873fa581ec5c9b215dbb1a3daafeb
Manifest7f19f7e3e748b9cb3868a9f6a843a73f4af41322fad9e5974354639d5802b6b2

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
Signatureg86kLaVY1bNnGYBMn2ZiDBhuAWFIqwkCPfPiIPKGQDvSg4bV7Dcl2xBMSQP86VE1VrPDIrSdid7kC2RVWHFwDw==
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

2026-09-17T10:03:42.855352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079831
observed 70fb5cc37f8ff9f308fb4c82dfc347d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.837661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079831/manifest.json
observed 7f19f7e3e748b9cb3868a9f6a843a73f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.818448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079831/publication.md
observed 7662211565617ede857a799f515ff02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.798322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079831/publication.txt
observed 48194a68673cad87f9ac71a67cbfaec1...
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.