OpenTechnical

OT-2026-000007742

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000007742) never changes.

Identity and time

Publication numberOT-2026-000007742 · never reused
Internal UUID01a0ae62-843f-7c4a-9b4f-8ce9c91ad617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007742
StatusPUBLIC

Content hashes

Canonical text8815c70ce51cdf6ecc095818ef2155d2d695acf448bf4a46f90e86a4c7002e65
Markdown92396e9fe3adcacd44cc805b70e6f5ca71f7259a0cccdafed388f5cbef249291
PDF
Publication page0d0ff48cad2923e222a25692afb8ed07c0d1366edd9db52f7c340d817a50161e
Manifest1a2dab7336deb609a33adf79e1997dddf182738c60ee4a09ff12bc3275bbb15d

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
SignatureDpdeVnYcUlDJ+ckZmSOfrGVtDUtYoDWpiDevyQdeNeGFXwNL13760cXA7Vke/qkvnlYtj0nKQZHhI/gRVlEMCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:08.129660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007742
observed 0d0ff48cad2923e222a25692afb8ed07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.113181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007742/manifest.json
observed 1a2dab7336deb609a33adf79e1997ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.095510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007742/publication.md
observed 92396e9fe3adcacd44cc805b70e6f5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.078191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007742/publication.txt
observed 8815c70ce51cdf6ecc095818ef2155d2...
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.