OpenTechnical

OT-2026-000029102

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000029102) never changes.

Identity and time

Publication numberOT-2026-000029102 · never reused
Internal UUID01a0ae73-2a9f-79a2-a024-b84d8ddffa8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029102
StatusPUBLIC

Content hashes

Canonical text85efe0de07f00f38cb700541d8beaadd06221810c3d04e8d4158092ab86ffd16
Markdown26ffb5df6a3f298195443013e0b130280e46a96024bcb0b5bcc1094be7ecf92b
PDF
Publication page5bd7e6897abb07bfb03d35fa5af221f867f09cb9a0ca56fa1a969bf3383eb26c
Manifest930c89d0888c4c74ca4dd2ff4385e48a6b88d7156d7c0852426a487a3c08aab1

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
SignatureHRMBLafRFStfogkoiKJI+fC+BFZGLKhdms2dlhcR0dKQ3rCqJZ/LYWWv5EElb8LndsddTymAS2/OBy7oUfanAg==
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

2026-09-17T08:20:51.432406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029102
observed 5bd7e6897abb07bfb03d35fa5af221f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.290275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029102/manifest.json
observed 930c89d0888c4c74ca4dd2ff4385e48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.272121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029102/publication.md
observed 26ffb5df6a3f298195443013e0b13028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.254505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029102/publication.txt
observed 85efe0de07f00f38cb700541d8beaadd...
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.