OpenTechnical

OT-2026-000038881

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038881) never changes.

Identity and time

Publication numberOT-2026-000038881 · never reused
Internal UUID01a0ae78-769f-73c6-a4b7-630d99ab5717 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038881
StatusPUBLIC

Content hashes

Canonical texta13458f59a88ba7057e01b9b92d80caf5172ab4e217ae2a6e01edc026fe9e8c0
Markdowna3a533881bc2d5fb240da0515ba58added5ef154daa39c834b3408ed5ac045b1
PDF
Publication page9109c42ee1cf3f18de65fc9e2c8cd0354a376cb530f1adb8c65d1532bc6f045f
Manifest8a714d402b63fd0280f6f1f3b980bd6157310f9a8f07bc84f078f482093130fc

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
SignatureFt8lX4eX4eDAhsXOoWCqwXBLu1Hr/hnGZ4r2ohJlTe6XhCEstq134dx5e7Pw9fawAAAiPMN3UbSV//RFea9kAQ==
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

2026-09-17T11:21:26.977217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038881
observed 9109c42ee1cf3f18de65fc9e2c8cd035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.957633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038881/manifest.json
observed 8a714d402b63fd0280f6f1f3b980bd61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.937967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038881/publication.md
observed a3a533881bc2d5fb240da0515ba58add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.919139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038881/publication.txt
observed a13458f59a88ba7057e01b9b92d80caf...
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.