OpenTechnical

OT-2026-000027233

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000027233) never changes.

Identity and time

Publication numberOT-2026-000027233 · never reused
Internal UUID01a0ae72-3454-7c2d-b6c5-cea2fec83485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027233
StatusPUBLIC

Content hashes

Canonical textc0c269e85d4849b0f92dae341fd464a98b91ba9d50f19fcad91e9278e99df400
Markdown6fba163da3aa281a1ca8496874fd8586e11e11ee036b8b6641c191c28cf65ecd
PDF
Publication pagecf07e98b47ccdca0ffdfc45a91ca4478643e2a05cd35666175bc6a4a092cdad6
Manifest4d53c9a40aa484c4c43c3fec6682a68c0197c30a2f71f0a9fba050b94b739f45

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
Signaturev9ZLzwwduK6dZ5QfQplrAiZkxhw8wUm2W8bSExJBGqu59HL1+8bdnBsnsYYzUzoJe7wqcs28xGv8tuCWL7SkDw==
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

2026-09-17T11:44:07.639274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027233
observed cf07e98b47ccdca0ffdfc45a91ca4478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.621886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027233/manifest.json
observed 4d53c9a40aa484c4c43c3fec6682a68c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.604259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027233/publication.md
observed 6fba163da3aa281a1ca8496874fd8586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.587023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027233/publication.txt
observed c0c269e85d4849b0f92dae341fd464a9...
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.