OpenTechnical

OT-2026-000044531

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000044531) never changes.

Identity and time

Publication numberOT-2026-000044531 · never reused
Internal UUID01a0ae7c-39d8-7fd4-bd3f-5185bcde5bb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044531
StatusPUBLIC

Content hashes

Canonical text2e5c22f03926676706b58b6adbb3d1be15f649af5a4f2e9d997aa5e2d5a05f86
Markdown3c3914058b2b76a743e703895a80369ac0bac8386b7e4081f59cfe23cd185e8c
PDF
Publication page9af8b7266c12d2861a780aebca8424bfff9f38721b48967bd51f7c9097640d3f
Manifestfd57f0850d53fc3a51be7b2f1b8cc5aadcd7599a83b6569c0194fc6900774cfa

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
Signaturef82y0udWZFmz1FXyxArptU9kcPVDY9fnxg2QqWks1ItUy1FG3N5SJf8Tjgba/rFoZL24dYRFUsBcrvd5GtC5CQ==
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

2026-09-17T08:31:05.040036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044531
observed 9af8b7266c12d2861a780aebca8424bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:05.024873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044531/manifest.json
observed fd57f0850d53fc3a51be7b2f1b8cc5aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:05.007603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044531/publication.md
observed 3c3914058b2b76a743e703895a80369a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:04.990353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044531/publication.txt
observed 2e5c22f03926676706b58b6adbb3d1be...
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.