OpenTechnical

OT-2026-000047682

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000047682) never changes.

Identity and time

Publication numberOT-2026-000047682 · never reused
Internal UUID01a0ae7f-c41f-7ae1-9053-f9e6d9f72c90 · 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-2026-000047682
StatusPUBLIC

Content hashes

Canonical text52a4618d71c5c7b63ab2426908ed82295723198e713e16b81ce68eb656f1d1ad
Markdown57800651f59f92101fa2da1993f0a3e1b3e942880d6b83b20ea2c53386052859
PDF
Publication page7f94ae5ce78906eb011f677cffa44f680bc6778371efb1ddcfc7488cc34726cc
Manifest733086419cca8f403f7e570692720530024d574e4ba3215ef9dd756710d1a60b

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
SignaturetyOSt6CHXU+GpnXEqlntLCz5qlNPmcgCT4RVyGQhvuFtNgSFR/Wx+fgFTPu/OAatu/Wax+FB8xNBJG9jJUrzAA==
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

2026-09-17T11:05:31.818171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047682
observed 7f94ae5ce78906eb011f677cffa44f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.797191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047682/manifest.json
observed 733086419cca8f403f7e570692720530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.776282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047682/publication.md
observed 57800651f59f92101fa2da1993f0a3e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.756195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047682/publication.txt
observed 52a4618d71c5c7b63ab2426908ed8229...
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.