OpenTechnical

OT-2026-000027538

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000027538) never changes.

Identity and time

Publication numberOT-2026-000027538 · never reused
Internal UUID01a0ae72-6998-7fd4-b40f-dda52899de3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027538
StatusPUBLIC

Content hashes

Canonical texta105ae5d7a2abcad6475ef4bf1241f350fa909b8b5f87a2a6766b148dbb09326
Markdown389f2dccd376b7bfded744d9b4565dc6acd12f5f695deaa887f378ebc02bc669
PDF
Publication pageafbd9b2e4a0b9d521eef1e7daf6762ed187d03c3813fe692dd6ce7f612d9a29f
Manifest0984994bdc65bc4d4e030553fcc95a27abd2620f6a2ffb3ce380caf61413d15c

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
SignaturexRcpCESmPhWcKqF7ApCB+MAxVjhmBLduDjGZXW2fEf9H/eMsRBWUPjX/jIEfcFuD4MaisKTsRD4EMzmizJfoCw==
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

2026-09-17T11:43:01.561504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027538
observed afbd9b2e4a0b9d521eef1e7daf6762ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.542875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027538/manifest.json
observed 0984994bdc65bc4d4e030553fcc95a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.525033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027538/publication.md
observed 389f2dccd376b7bfded744d9b4565dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.506982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027538/publication.txt
observed a105ae5d7a2abcad6475ef4bf1241f35...
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.