OpenTechnical

OT-2026-000079601

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000079601) never changes.

Identity and time

Publication numberOT-2026-000079601 · never reused
Internal UUID01a0ae96-0b92-7a3c-a2ca-06cebe24b87d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079601
StatusPUBLIC

Content hashes

Canonical text6d81068354cb6af6f1e642510aeac979e1083b7df500927ba9a6345c4dee7b33
Markdown0904e4b686769865b5351b9301692e5ba3a966969e23fb3a6234806c72b18e15
PDF
Publication pageb54b9483b7e74e4de3234602de3355bcbe6cf83778de14b0d32c70b949ed200b
Manifeste8812f99a8f062aa64b80735e2eac977b29ada2b7fd8dcc5e1c04776796ef8ef

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
Signature8rDyzCrRPzfZl+yoBTxOvcVLEthtaHqDcxH3XHvdBziRDy4qMo1yvSaoNZ7C0dbrsBUwIuwgR1LoSQdj/4McCA==
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

2026-09-17T10:05:15.685156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079601
observed b54b9483b7e74e4de3234602de3355bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.669192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079601/manifest.json
observed e8812f99a8f062aa64b80735e2eac977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.650645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079601/publication.md
observed 0904e4b686769865b5351b9301692e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.632653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079601/publication.txt
observed 6d81068354cb6af6f1e642510aeac979...
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.