OpenTechnical

OT-2026-000026260

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000026260) never changes.

Identity and time

Publication numberOT-2026-000026260 · never reused
Internal UUID01a0ae71-f4a5-7f25-814e-2d4bc382bbb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026260
StatusPUBLIC

Content hashes

Canonical text515cb8be81c087d85956888ab70bd16d47680622065c78d53d86e5c012c0826a
Markdown7cad2bc1da79cd1aea1508b05d305170e2e31138d99f0678099c7659145d3c4e
PDF
Publication page73654b5728ded52e580b86aac7aab1c0ee15ad0354963fe1ae0877480e733348
Manifest73ca331fff9b59ef61be323f07c3c2c4e09e65e61809a2282db65d67ec8a46ec

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
Signatureu64/XbJyT9m1i0lx5ZSjXvVqkEg68d8iyFAO0Rv32IbLC5pEW0ZC8G/WfK3dVsgYdaq+qpczxT7Vi1i9nlxyBw==
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

2026-09-17T11:44:12.246316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026260
observed 73654b5728ded52e580b86aac7aab1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.225499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026260/manifest.json
observed 73ca331fff9b59ef61be323f07c3c2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.208507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026260/publication.md
observed 7cad2bc1da79cd1aea1508b05d305170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.190713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026260/publication.txt
observed 515cb8be81c087d85956888ab70bd16d...
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.