OpenTechnical

OT-2026-000011844

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000011844) never changes.

Identity and time

Publication numberOT-2026-000011844 · never reused
Internal UUID01a0ae6d-1941-75c5-b821-467f3d5a58fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011844
StatusPUBLIC

Content hashes

Canonical texte21651793a0c3064a5e36b7df1c51b256576f0dbf86080f05fdf9dcf7a53529b
Markdownbe0abf18edbb2a774b9739b4cb99c6cb9999198485646ce0a2deb5a9339510e9
PDF
Publication page880db91267e041e55fca7200b5d7590b4f0496a3051594a2957b74bb0496aaf6
Manifest985fa243b4dc2f1f0354df023e60630a669d718683bb2f21ff7322b7cc69c7f2

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
Signature1rtpv4BTyGnvzdc0sLoZfrQCIv26TJTtehLNDFJzxfGyAMegz45zzyQHsIlZ3+hPuMnQXskDIfy5KbaZDlR5Dg==
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

2026-09-17T12:12:35.030214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011844
observed 880db91267e041e55fca7200b5d7590b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.012233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011844/manifest.json
observed 985fa243b4dc2f1f0354df023e60630a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.994491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011844/publication.md
observed be0abf18edbb2a774b9739b4cb99c6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.974718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011844/publication.txt
observed e21651793a0c3064a5e36b7df1c51b25...
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.