OpenTechnical

OT-2026-000039745

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000039745) never changes.

Identity and time

Publication numberOT-2026-000039745 · never reused
Internal UUID01a0ae78-d8d5-7389-bee6-1b229b4bc744 · 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-2026-000039745
StatusPUBLIC

Content hashes

Canonical text3f0c9eca0d3805d4afc4951145dff9403b19883c9bfd1f0faa550fe37473bff1
Markdowne2e2d65a3ea8aeb977b5caac1d2c9531ebd484277477f03166f75596c43b0e3e
PDF
Publication pagea12c490b2e0a8350aeb7457cddc30d3da3b40b425f70e711b5d88c0a5ce29bbf
Manifesteee04b9907c2d13e457b6b1393d2c318c7ade1c220c4ac2d168ad6dea91dc454

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
SignatureAzhjb6B5LTv5+ptrwlAo93KwC7noiYuJwhpMhzLfBGca9Eqfr7p4RADqQE3bGYRosa85DcECETwX++qy8FytDQ==
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

2026-09-17T11:19:57.543191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039745
observed a12c490b2e0a8350aeb7457cddc30d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.526190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039745/manifest.json
observed eee04b9907c2d13e457b6b1393d2c318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.509268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039745/publication.md
observed e2e2d65a3ea8aeb977b5caac1d2c9531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.490165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039745/publication.txt
observed 3f0c9eca0d3805d4afc4951145dff940...
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.