OpenTechnical

OT-2026-000046119

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000046119) never changes.

Identity and time

Publication numberOT-2026-000046119 · never reused
Internal UUID01a0ae7e-032b-7f3d-a3c0-b58299c5a6db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046119
StatusPUBLIC

Content hashes

Canonical textdd8118c410b0114d23add919cc89d31b2825be5aeb9555a5e30ffa4ddfe3d465
Markdown402bb3075f998ddc39796b7b4e4f4fec1c39f6f33a3b08f3ed818943d1e53481
PDF
Publication page0b76eee85a73dc29673dcb5d3f55a752908baa1b95bb5efe20184b4f4badb57b
Manifest006e1d7d72bad998a7f277353e50cebda23150280770cfb792f829bff38ec4f3

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
SignaturebpZBOzUyV0N+u1vScTUnwZkMNNuk2rTfLT0gTvDvYDKIuwIWpwWMhAkmjM97DD+ibYHKox/RpjBrKwpFURJDAw==
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

2026-09-17T11:09:06.091606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046119
observed 0b76eee85a73dc29673dcb5d3f55a752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.073948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046119/manifest.json
observed 006e1d7d72bad998a7f277353e50cebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.054146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046119/publication.md
observed 402bb3075f998ddc39796b7b4e4f4fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.035703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046119/publication.txt
observed dd8118c410b0114d23add919cc89d31b...
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.