OpenTechnical

OT-2026-000049513

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000049513) never changes.

Identity and time

Publication numberOT-2026-000049513 · never reused
Internal UUID01a0ae81-8f7c-73d5-a0c8-7b112e40483e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049513
StatusPUBLIC

Content hashes

Canonical textf9f8c7aae60e4b257b3ee3c7cdb3e786478a34b4fb8890377ce80852e9a4ebf4
Markdowne34c107be843c67aa3a6e01d6fdba7ec0a500abe170f0fb94e4c9363aff01281
PDF
Publication pageceda1f159912d8e6680cd2c5998d385b9d3a3be872504b70427303d475347f5e
Manifeste61a173e000411049b70a4008a3cf4b7dc1ed8ca0927ee928248adb49f0bf09e

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
SignatureXuX4rUg0hkUJG92NwqbvGj9kCfif93WCCeuAa5mSDQIN5TzRzz1tz3Z8vQC9Q+bnmSGiMJgbZ8ji98pa8fGHCw==
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

2026-09-17T11:02:22.173796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049513
observed ceda1f159912d8e6680cd2c5998d385b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.156251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049513/manifest.json
observed e61a173e000411049b70a4008a3cf4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.138931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049513/publication.md
observed e34c107be843c67aa3a6e01d6fdba7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.119741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049513/publication.txt
observed f9f8c7aae60e4b257b3ee3c7cdb3e786...
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.