OpenTechnical

OT-2026-000017492

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000017492) never changes.

Identity and time

Publication numberOT-2026-000017492 · never reused
Internal UUID01a0ae6e-76ca-726f-be82-ea20fa8471a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017492
StatusPUBLIC

Content hashes

Canonical text429d7387b9e0f3477924454b29b17df5ce5720d49bbfe1fe5aa8bd260c427600
Markdown8d9134ee162e98e1c63ce71d5b2287eed6431c7a84bafdd9c54951df4707fb01
PDF
Publication page9e1b83885ca9db27e712cbc7cf1a028f2c36f06cd76ab1a721b140b742e3a3ee
Manifest989c4988caa1e8d05e79c6eb4aa126c91ca389a0b3d6b76d372f279a6e12bcc2

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
Signatures4ejbl9Chb4IZBTvVtAWfiH/MO8RlW2/z3hwBIohT7nTGNXKUkp0I6W47yYKhCmTF1g273NKTWc523E9HF2AAQ==
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

2026-09-17T12:02:38.605101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017492
observed 9e1b83885ca9db27e712cbc7cf1a028f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.586786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017492/manifest.json
observed 989c4988caa1e8d05e79c6eb4aa126c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.569121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017492/publication.md
observed 8d9134ee162e98e1c63ce71d5b2287ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.549664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017492/publication.txt
observed 429d7387b9e0f3477924454b29b17df5...
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.