OpenTechnical

OT-2026-000018360

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000018360) never changes.

Identity and time

Publication numberOT-2026-000018360 · never reused
Internal UUID01a0ae6e-b489-75ad-909e-644b3aa84593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018360
StatusPUBLIC

Content hashes

Canonical textf3d427f929cd618cd5f016744a848e56ae909c8aa629b042a9649094782acd8a
Markdown9f8d7344dba2ad6d6ec3028ede5d078ffd6d28e9fddec753cb92ab9eb4f7ecba
PDF
Publication page50e77fe056137916886c13850a036d6daa1135fc93057e19c10e022887576406
Manifestc0c52be3ecc8724f6865df0aae2d494d85bd6e6a4c7e510a2d3d349cc87ddc10

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
SignatureYaGfStVE2uRsAEQpRbmMURWWX1aBdbYCwvO5m/+8aB3nv2Zz68mTuiTY3NNMJ+gYgssiJMGvha0CeQ3fwQ+HBw==
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

2026-09-17T12:01:05.808905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018360
observed 50e77fe056137916886c13850a036d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.791870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018360/manifest.json
observed c0c52be3ecc8724f6865df0aae2d494d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.775841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018360/publication.md
observed 9f8d7344dba2ad6d6ec3028ede5d078f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.759598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018360/publication.txt
observed f3d427f929cd618cd5f016744a848e56...
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.