OpenTechnical

OT-2026-000028314

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000028314) never changes.

Identity and time

Publication numberOT-2026-000028314 · never reused
Internal UUID01a0ae72-e2f5-702b-85b6-935351315261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028314
StatusPUBLIC

Content hashes

Canonical text091c532045a5fc46060561ab6e413d4aaf54205eee7871b99bb3e190f52a2f15
Markdown0af5b3b1a03261e3d108785e6c5a7097430de7ad5643f176972428481250be2a
PDF
Publication pageeeae027b74e9d98b50606ad61d5757e631b4db66c65800a6bce3114dd029eb57
Manifestc7369f29cb59c04e3177ed604fe6b05dc9f64f277e34a94ece8238beb47d556b

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
Signaturexss2gpiWnXEQZc0x2kDjIOd1mBICYSawAUA+abNxXb9u4aoVML8Y+EZDnTGlhvcRqngVgZyPS3V78DYOO8XKCg==
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

2026-09-17T11:40:18.636263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028314
observed eeae027b74e9d98b50606ad61d5757e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.616340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028314/manifest.json
observed c7369f29cb59c04e3177ed604fe6b05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.598260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028314/publication.md
observed 0af5b3b1a03261e3d108785e6c5a7097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.578416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028314/publication.txt
observed 091c532045a5fc46060561ab6e413d4a...
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.