OpenTechnical

OT-2026-000047481

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047481) never changes.

Identity and time

Publication numberOT-2026-000047481 · never reused
Internal UUID01a0ae7f-3e58-7229-9183-1834dfa29ffe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047481
StatusPUBLIC

Content hashes

Canonical text50033e1d1920eaa8a09bfb3f2b654c37451f33531d694f7c3c365eb2ef84089d
Markdown1b4f1ee734d42c54cdb5c82205cd9e786ac673e76dbe1e7f23568620564dc787
PDF
Publication page8f88bb35536f74a3a2eadee012b3ee342128a590c985b7719db77e146f66decd
Manifestbdcdf36cc10783172a9669a3f2f3906dac02556d493bd530f6823e726b72b473

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
SignatureQI1WbNFwZp42q1UDk35DuJTgYNMniFjKRs0hcxxOve69qALCITdR7tTm0yjf2gfDro1Hhpi/3HVHBY+j53MNBw==
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

2026-09-17T11:06:31.196293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047481
observed 8f88bb35536f74a3a2eadee012b3ee34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.178310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047481/manifest.json
observed bdcdf36cc10783172a9669a3f2f3906d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.162474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047481/publication.md
observed 1b4f1ee734d42c54cdb5c82205cd9e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.144034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047481/publication.txt
observed 50033e1d1920eaa8a09bfb3f2b654c37...
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.