OpenTechnical

OT-2026-000043970

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000043970) never changes.

Identity and time

Publication numberOT-2026-000043970 · never reused
Internal UUID01a0ae7b-d678-7c84-b1fe-80e4f7c71383 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043970
StatusPUBLIC

Content hashes

Canonical text3f3b19e1516be75889f82091487af72551f049d424d16a4c688d0f63da0fbf4f
Markdown51b90b7e3fb4a0c13a0cb350f7d26d2b8c1573be9bd14e31bb0614bbb96139e3
PDF
Publication page522a443d3dd012f5c3a335c7b50b7a1a77796cfb0fa9bc78af741c74744e14ac
Manifest7198e719dcd858acf700f28142d77314bf9696c72a340f59c5bdf33ce58e98ce

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
SignaturemYtZLlqDiv+vcmwO5WsCbqO7RzYcL5jchyc7jpc991QWrTA/K1l5PoTLRGaATlFrvW0oQTJloEG7UnGw80MyCw==
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

2026-09-17T11:12:19.877591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043970
observed 522a443d3dd012f5c3a335c7b50b7a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.860125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043970/manifest.json
observed 7198e719dcd858acf700f28142d77314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.841326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043970/publication.md
observed 51b90b7e3fb4a0c13a0cb350f7d26d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.822195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043970/publication.txt
observed 3f3b19e1516be75889f82091487af725...
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.