OpenTechnical

OT-2026-000049402

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000049402) never changes.

Identity and time

Publication numberOT-2026-000049402 · never reused
Internal UUID01a0ae81-8f7b-7659-b2b6-2094c6502c1e · 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-2026-000049402
StatusPUBLIC

Content hashes

Canonical text5b1aa590ca70a8fda41ae490f93079251ca49f88924b742d349d0db9ab56bec9
Markdown58954dbd481485d0ee1ff9e25e3f63479d59cd1d232f622dccc48d573918741f
PDF
Publication page6642a28f405377a2ee5cb3ccaf5f5500a4edb8a92853f9c0140067f5e678a1fc
Manifest9397f6c9fecd270a34119b0f93467fd08a7f94a112af3d8d431eeb49a51686e5

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
SignatureCecsJRtnWXwRW2WWQ7h/oljIRou4l2IbWNf15PZ/0ZFdIABEVXmI5qUik2CVm4g4dLa8B5ocLZ505AYo1i2cAg==
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

2026-09-17T11:02:13.212589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049402
observed 6642a28f405377a2ee5cb3ccaf5f5500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.192636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049402/manifest.json
observed 9397f6c9fecd270a34119b0f93467fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.172805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049402/publication.md
observed 58954dbd481485d0ee1ff9e25e3f6347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.153750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049402/publication.txt
observed 5b1aa590ca70a8fda41ae490f9307925...
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.