OpenTechnical

OT-2026-000046527

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000046527) never changes.

Identity and time

Publication numberOT-2026-000046527 · never reused
Internal UUID01a0ae7e-57dd-79e0-90d1-2c9a90c0d884 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046527
StatusPUBLIC

Content hashes

Canonical texta5e15328df4b4b792f80ebdcd64b62c40b20a7b445134e95a07a1634aabbb62d
Markdown0bf92aa594f615f5b19bae4e211a810606bc314f677a9639b5c504578b188540
PDF
Publication page2f0a212918f282dd093e24e9ef5ffba0282e3f4c325cb96be321bfe5dbeb094d
Manifest005e25eafdf31fe1506694ac6eabac8ba6b99167c73c03fadd26c2a156a6862e

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
SignatureQS65rmHKuveNIUHdjQ8Hamlr0XYgcGSF09AK+lte9QDJZkAqVpZ55DJ9/2GhcqBDkeE/J5j+g3wHatdcktmgAA==
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

2026-09-17T11:08:34.724922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046527
observed 2f0a212918f282dd093e24e9ef5ffba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.706859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046527/manifest.json
observed 005e25eafdf31fe1506694ac6eabac8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.686720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046527/publication.md
observed 0bf92aa594f615f5b19bae4e211a8106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.666530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046527/publication.txt
observed a5e15328df4b4b792f80ebdcd64b62c4...
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.