OpenTechnical

OT-2026-000047407

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047407) never changes.

Identity and time

Publication numberOT-2026-000047407 · never reused
Internal UUID01a0ae7f-3e57-7f2e-9d8b-e11727938d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047407
StatusPUBLIC

Content hashes

Canonical text1f52881610ad90c0be0693cccdb47aa6d29b8308cecc0503443319617f264d2b
Markdown56bdfd6f94eb7398824a88f777368146a01b86a08eeda0ad796fa8c9613e4f4a
PDF
Publication page346501bfe97ce29bbd7be688e8c9735c371ff20adab5ef5bae6e6a02166c9e3e
Manifest2b5fcaf0157e81f778e2141edfcc348bc2ae874c78bc95ebe22757e589bbd10c

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
SignatureFjmt5xOdsxl8xTkq0/Nn/Tz/OFgvk9s/RZbSu0MbxwaZ/dwkXUBMmLOWL9WvRl4o7niCLdH+gpFClQaql/FzCA==
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

2026-09-17T11:06:25.281771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047407
observed 346501bfe97ce29bbd7be688e8c9735c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.264511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047407/manifest.json
observed 2b5fcaf0157e81f778e2141edfcc348b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.248205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047407/publication.md
observed 56bdfd6f94eb7398824a88f777368146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.230423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047407/publication.txt
observed 1f52881610ad90c0be0693cccdb47aa6...
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.