OpenTechnical

OT-2026-000046009

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000046009) never changes.

Identity and time

Publication numberOT-2026-000046009 · never reused
Internal UUID01a0ae7d-8f8a-7345-b7df-f079b489c2b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046009
StatusPUBLIC

Content hashes

Canonical text155bf1205997d2d52ff6421c91928506a784c5a31b37c3332a319f4e9ade0a20
Markdowneed9425658cc026b7fe293d7b2043542f385e7ff816645c87dcd1ffdd6df1adf
PDF
Publication page220f067da7a40f7ffc006f0b8f0a79c8d23eea58b8dcb0f1d79e35dddd8e4f63
Manifest05f0e58434b5bea63d64888a11e47d76e086a30c85f066ace4512f68306d7ac1

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
Signaturey/w/3KBgbtpXUPXZvQYt37YsRZNRabcYVTPrFfcLAjQp4tPd0bTIxIVGjmi0GumHWkFuLfGpRUs483BihqyxBQ==
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

2026-09-17T11:10:00.759689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046009
observed 220f067da7a40f7ffc006f0b8f0a79c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.741087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046009/manifest.json
observed 05f0e58434b5bea63d64888a11e47d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.721782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046009/publication.md
observed eed9425658cc026b7fe293d7b2043542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.702623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046009/publication.txt
observed 155bf1205997d2d52ff6421c91928506...
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.