OpenTechnical

OT-2026-000067941

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000067941) never changes.

Identity and time

Publication numberOT-2026-000067941 · never reused
Internal UUID01a0ae8f-c4fd-723c-a1c9-f280b364fdbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067941
StatusPUBLIC

Content hashes

Canonical text5428cc8943f91f8f6656ceb5d339e6185e5f427a4ff139286fec48fe2355b539
Markdown1addaa4b6cd3e8976280b41fea6564b450e97a83b91a55742fa142b8991c0daa
PDF
Publication page5635fbe983c979e6a91f5db5ec6fafdb452d3bda3a435cfdc0603dda76140713
Manifestf086982fe4bafd8128e36bb415de133ca6bfe13f019f4b9091db42b9142700a9

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
SignatureCeWody6cjxXYBBm/YSF6Ya6+M8mcAUt/3TGzkhnN1eshdGx0EHZcI+OM5VPhV+f8B5Q9NKOPdvkmunIw7iqnBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:21.513374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067941
observed 5635fbe983c979e6a91f5db5ec6fafdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.494495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067941/manifest.json
observed f086982fe4bafd8128e36bb415de133c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.477532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067941/publication.md
observed 1addaa4b6cd3e8976280b41fea6564b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.457802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067941/publication.txt
observed 5428cc8943f91f8f6656ceb5d339e618...
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.