OpenTechnical

OT-2026-000039921

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000039921) never changes.

Identity and time

Publication numberOT-2026-000039921 · never reused
Internal UUID01a0ae78-d8d7-7128-8368-2d011a507257 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039921
StatusPUBLIC

Content hashes

Canonical text047c00cde2184edd41a7cc1c97000f3c03494f3146a205a41731cbf95a605950
Markdown7484e20099f6ab071a7b51416ffb6bab1eb18a51c02ac8640e39a4bc48059d7d
PDF
Publication page11dd1381bef2205e0d0c4c2f266e3c90aa9a1a612033d0b710790e11f0b9471e
Manifest5167ee739954183b39fd4cb3c41efef772da6325e43472c06c3f8caa8ed8f20f

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
SignatureDIGxz/61bs5YV2e+QZ1PVpx5BKLNfKHt+/toIbSuWubGd88wqYwSdQafUzdFrI9zKW70Dk7RK82LuHctpo0/Dg==
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

2026-09-17T11:20:13.116041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039921
observed 11dd1381bef2205e0d0c4c2f266e3c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.097851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039921/manifest.json
observed 5167ee739954183b39fd4cb3c41efef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.077918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039921/publication.md
observed 7484e20099f6ab071a7b51416ffb6bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.060742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039921/publication.txt
observed 047c00cde2184edd41a7cc1c97000f3c...
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.