OpenTechnical

OT-2026-000042747

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000042747) never changes.

Identity and time

Publication numberOT-2026-000042747 · never reused
Internal UUID01a0ae7a-c0cf-7e23-be87-051c8ed34b9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042747
StatusPUBLIC

Content hashes

Canonical textf4675cfc4a41553f7269ecb77e112d7d2cee3dd34028fb1477bdfe120c3537cc
Markdown7073116d02c482da8198d1f96a72d6caeeed72ce0602ce57f8b58cb90ce6af40
PDF
Publication pagebe440d2ba2d9c8ae4044f4df1b30a653ff064e2d95cc500001ac02b726d76c3d
Manifestc65676a83a0bcda140ea767995504685691f3c30d08e7dbbca8d7d6f0e7b717a

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
Signaturesp0mtbpKe3315BGVy3g5R0bd0RNtrwqbPWTp16zE347qEFx85ZJROxq61xS+wK21wdOACBNLlvwFXSRdy+LCDg==
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

2026-09-17T11:15:11.828731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042747
observed be440d2ba2d9c8ae4044f4df1b30a653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.805249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042747/manifest.json
observed c65676a83a0bcda140ea767995504685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.786578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042747/publication.md
observed 7073116d02c482da8198d1f96a72d6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.767508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042747/publication.txt
observed f4675cfc4a41553f7269ecb77e112d7d...
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.