OpenTechnical

OT-2026-000047256

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000047256) never changes.

Identity and time

Publication numberOT-2026-000047256 · never reused
Internal UUID01a0ae7f-3e56-7803-adde-ef32b9e6e3aa · 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-2026-000047256
StatusPUBLIC

Content hashes

Canonical textb038e1add9156d27347a3cd13f3c92dcb2886088f6a21b06cd53d28975161c01
Markdownb1b0c51cbea6638cb2cd9424f178b1d21f7178d2a8e91944d78d29b2f504ef57
PDF
Publication pagee50197f2474ef2173bd8cdd7d9d145e1d6bf5df2b82ff94d5380eba7dac4a8e1
Manifest5a848f465255722f50efb322cc815503a2e49be967f8601b134f8ba7bb1ea74a

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
SignatureUx1ms1wif+OQRYUL8AiFLk+j2pwVAVyEPyNzS+1Dyp1kdMXgcLlbyhAELMryZkkhoeI3eGdN8lcrxKTHDqv2Cw==
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

2026-09-17T11:06:13.084406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047256
observed e50197f2474ef2173bd8cdd7d9d145e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.064635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047256/manifest.json
observed 5a848f465255722f50efb322cc815503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.046879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047256/publication.md
observed b1b0c51cbea6638cb2cd9424f178b1d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.027088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047256/publication.txt
observed b038e1add9156d27347a3cd13f3c92dc...
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.