OpenTechnical

OT-2026-000049213

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000049213) never changes.

Identity and time

Publication numberOT-2026-000049213 · never reused
Internal UUID01a0ae81-134f-7cf3-92e5-4cd8a7984e27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049213
StatusPUBLIC

Content hashes

Canonical text5fb05ba2b56a6885ff563612c7ff81791c2f903ae169e9368639f1ba5ec52d63
Markdown944c9e56442a79ab888da8c6427e44e072907c56e820b32c45b9571a786a6823
PDF
Publication pagec84efce18e2acab2415b056532c169ebf1385685994bde3803afd0d471387a5c
Manifest4c2d0c3c349a3ad1125f6522378ebb5c8473a18b5f2c87d9ccf545f6ce09a3bf

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
SignatureAdCHcymGcZEABHigx3uBE+qKLwT3ZtpmS+rlL/vDLF8tDlSpmkrP+J4vYcgksKyIrVE8B4XlULCIkjyb9pDWDg==
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

2026-09-17T11:04:01.815079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049213
observed c84efce18e2acab2415b056532c169eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.795316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049213/manifest.json
observed 4c2d0c3c349a3ad1125f6522378ebb5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.775009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049213/publication.md
observed 944c9e56442a79ab888da8c6427e44e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.755248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049213/publication.txt
observed 5fb05ba2b56a6885ff563612c7ff8179...
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.