OpenTechnical

OT-2026-000033549

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off 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-2026-000033549) never changes.

Identity and time

Publication numberOT-2026-000033549 · never reused
Internal UUID01a0ae75-a38e-72fe-b499-452664ad334a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033549
StatusPUBLIC

Content hashes

Canonical textee1d83272c83efedf1b283c8902ed7aa5a97ab67b49122e972096cb2f6add6d1
Markdown7d139618a4b6952f5a28982e4f85e1f54bdb62f9c0bfcf790679fea6f4e97104
PDF
Publication page96d672ae6a014287772deda1d40ab2cab2d102e23edac5535b67274226df54ef
Manifest7ffb069a6178dd06f39843b834f627dffffbacec0bcdb2a28b9d5be45cf3e506

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
SignaturepFPeYtJL6fJ2TnasfA+6jTKQfX8JrkWc52q5rSfg9Z2tJ/OXD4/xEzfION0u4EZQD8HdhDt5DvzFg+XjSBm8CA==
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

2026-09-17T11:31:24.802438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033549
observed 96d672ae6a014287772deda1d40ab2ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.785364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033549/manifest.json
observed 7ffb069a6178dd06f39843b834f627df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.766222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033549/publication.md
observed 7d139618a4b6952f5a28982e4f85e1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.745777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033549/publication.txt
observed ee1d83272c83efedf1b283c8902ed7aa...
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.