OpenTechnical

OT-2026-000027279

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pulsed 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-2026-000027279) never changes.

Identity and time

Publication numberOT-2026-000027279 · never reused
Internal UUID01a0ae72-6996-7984-bce4-377e8c45a630 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027279
StatusPUBLIC

Content hashes

Canonical textb2f52de446a3c52e5ba256e5bd7893343f6b1f114fb4b45d7efb308d117ddd8b
Markdown2d45ea6cec0b010881ca146cc5f299c3aae87bd8b6d0d5ebfd3b54364c5f41ae
PDF
Publication pagef1bf8e3c8899bd4bd85aa1da72db411e86f410b6bb23888efc9574e2a14df9af
Manifest42381e8f4be0c1fefbe945fb9ed56496f617b4f593849a5526afd852d02d156b

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
SignatureaAuPWbfxWivPK12d62bcKsfjDthq7GJ4hSAqtP5HswMELwelR7H8QDvLuskcBBNOglTvjsAwS1sTzMigujf6Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:39.927994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027279
observed f1bf8e3c8899bd4bd85aa1da72db411e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.908853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027279/manifest.json
observed 42381e8f4be0c1fefbe945fb9ed56496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.891525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027279/publication.md
observed 2d45ea6cec0b010881ca146cc5f299c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.873657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027279/publication.txt
observed b2f52de446a3c52e5ba256e5bd789334...
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.