OpenTechnical

OT-2026-000056691

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000056691) never changes.

Identity and time

Publication numberOT-2026-000056691 · never reused
Internal UUID01a0ae87-7af6-7e69-bb55-6aadfc92f27a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056691
StatusPUBLIC

Content hashes

Canonical text68cb0ea9002c10b61502b6dbd73c344d2799d49fab8469d6476dae0b3a3b0083
Markdown2b1111a6bf016bc776285c0703ecfde9c5da4292763a8b1676741a69e348ef13
PDF
Publication pageca0486f49135d4e4605f89ebdb2cf756191291bc757c7e62c1320174de1c8b75
Manifest34f1858c76c7f8f8607990475ea2fd823f2f35c191bb4010c997c45ca46db03f

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
SignatureS6Y4lsVwYaAr2hop2G6YSVmHDmUFtcf4PvdTdBFTlroTHDQ83AEmSQEuCyL6LTnYz5FcKJjBnkCd+l740O9gBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:05.725855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056691
observed ca0486f49135d4e4605f89ebdb2cf756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.706666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056691/manifest.json
observed 34f1858c76c7f8f8607990475ea2fd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.689899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056691/publication.md
observed 2b1111a6bf016bc776285c0703ecfde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.672165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056691/publication.txt
observed 68cb0ea9002c10b61502b6dbd73c344d...
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.