OpenTechnical

OT-2026-000048001

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048001) never changes.

Identity and time

Publication numberOT-2026-000048001 · never reused
Internal UUID01a0ae7f-c422-7df3-8193-37f9fc5f5de2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048001
StatusPUBLIC

Content hashes

Canonical text0c1b7dc7f95b5bad6f2c42e90d1838e337654354111261c3956f3555601e22df
Markdown6128777478e5abcadeaa7ba2e445522abb6d867244079b45be3e270e33d95360
PDF
Publication page3525b17c30f6f45a95a3588029306660a92b6569404e0b6d628583e8485a9651
Manifest3a0fdf93a8e5f435d51b80867b7e2918da109c5f172ed49db3cc0e6b59797c6f

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
SignaturecS89U1yMZ/XbwJ2fhD4q60LJLQiwYrsDmD0OoFDzqItP9La3o6z7e1tztRotFSiGMlzvmyBcWasoBOblpahtCQ==
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

2026-09-17T11:05:59.360514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048001
observed 3525b17c30f6f45a95a3588029306660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.343964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048001/manifest.json
observed 3a0fdf93a8e5f435d51b80867b7e2918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.325841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048001/publication.md
observed 6128777478e5abcadeaa7ba2e445522a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.307002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048001/publication.txt
observed 0c1b7dc7f95b5bad6f2c42e90d1838e3...
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.