OpenTechnical

OT-2026-000062355

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000062355) never changes.

Identity and time

Publication numberOT-2026-000062355 · never reused
Internal UUID01a0ae8c-0abf-7e8a-ad18-c3343b24bf32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062355
StatusPUBLIC

Content hashes

Canonical text11380de4ccb893d4e07cb3e8c79b477d3ee0ea9254141026de246922ad9e9874
Markdown66833357771802bf75da2ed2715f5043720801e83efbbf11f57e4adcc345aa5a
PDF
Publication page7dcb3221a0ca163b45b8656b8d93766129f0eff3bb377d0e27d0a03a6dc33b79
Manifest354e05ef4e7aa8194d13df274dd03baa39fc5ede4a02519f742e284863c982ea

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
Signature1AQ+LMUccg0subHxCC2AsyqZEiNYupNzUdBiLPHX6tGugBMFg+82W253HFV/QL7cwv88hsdoEBkJg6nTRCZaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:40.156977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062355
observed 7dcb3221a0ca163b45b8656b8d937661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.138210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062355/manifest.json
observed 354e05ef4e7aa8194d13df274dd03baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.121142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062355/publication.md
observed 66833357771802bf75da2ed2715f5043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.104371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062355/publication.txt
observed 11380de4ccb893d4e07cb3e8c79b477d...
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.