OpenTechnical

OT-2026-000054032

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000054032) never changes.

Identity and time

Publication numberOT-2026-000054032 · never reused
Internal UUID01a0ae85-b3a7-7b9b-ab4b-eaf69fb323db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054032
StatusPUBLIC

Content hashes

Canonical text31bb50b174ed87e0d1439ba7fc7d9de4b594be9d6854254fc772d3a6f285f69d
Markdown699707bc495b52a4f6000f535ae0a29d4abcad41795cfaf55dadf8ac774e8475
PDF
Publication pagee7bef9198f1648657a40859f545aff550cabfa83d8be226a834800419cb16c28
Manifest494df6af177a963e1ebe1d48a94835b12256b2d4916d4da990e0912a71a445bb

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
SignaturePMeGBek3OAv5ek/JQE7nPGI/ivPOC9qjTY3nnPFGeHKncAaavwkPrmQWz7LSv7la4cTlZhWq1QS488iw2sBkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:23.799360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054032
observed e7bef9198f1648657a40859f545aff55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.782097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054032/manifest.json
observed 494df6af177a963e1ebe1d48a94835b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.764169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054032/publication.md
observed 699707bc495b52a4f6000f535ae0a29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.746630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054032/publication.txt
observed 31bb50b174ed87e0d1439ba7fc7d9de4...
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.