OpenTechnical

OT-2026-000023372

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000023372) never changes.

Identity and time

Publication numberOT-2026-000023372 · never reused
Internal UUID01a0ae70-7268-78b7-bcde-b65afc521ba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023372
StatusPUBLIC

Content hashes

Canonical text354def6c0d07499692e4d4f5427e6f1a6a62e1c2e590bfaa959a19d89fde2bf3
Markdowna211c78271afa12c00c6fd4450af7a4e84286ee83e10c95c1ceea8decafa54c7
PDF
Publication page3c39c82849623fa03a349c1cf1519c13e5b23c56ec48f54819b9f89c435605f0
Manifest47effd7296247b0f46896a150c6b173f27bf3751a71d824ef9a5ccce859d3ddd

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
SignaturexVb42TcrEhmCVxpJyTKTh+iw8exftCU6CCz4pcngVLy53XVudomnJIpg8jLSqVKi3fP7MLAX8Eb10uzPTBFcAw==
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

2026-09-17T11:51:28.452319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023372
observed 3c39c82849623fa03a349c1cf1519c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:28.435539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023372/manifest.json
observed 47effd7296247b0f46896a150c6b173f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:28.417362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023372/publication.md
observed a211c78271afa12c00c6fd4450af7a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:28.401005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023372/publication.txt
observed 354def6c0d07499692e4d4f5427e6f1a...
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.