OpenTechnical

OT-2026-000018330

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000018330) never changes.

Identity and time

Publication numberOT-2026-000018330 · never reused
Internal UUID01a0ae6e-b489-7d42-ba54-9fe2b184a44f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018330
StatusPUBLIC

Content hashes

Canonical textafcd4ee33fbee851602101a0c1f21af80ebd6ac2cc3dd759deec66f7e6319fe7
Markdown42a856efd8cb2c3f2fdd6cd56d40fce80a4331a30ffff8d5cc4d2caf0505e733
PDF
Publication page5fe883a313cbff1dec82b00b06f1aa86c1bf699bfabdaa44ef9f23835c6823af
Manifestbbdb7b8327bddae601898f7b9ba530ea63c145223753e65657ef970ef97ea537

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
SignatureN7/3Sxs0SqIGZmwcz70PwentMvr5m24tjwzYDMIJuVjysQhx6AN6+b/ENXU/POkKOd1W6AWoz3tK8BWdnb3fBA==
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

2026-09-17T12:01:03.992721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018330
observed 5fe883a313cbff1dec82b00b06f1aa86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.975149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018330/manifest.json
observed bbdb7b8327bddae601898f7b9ba530ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.958124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018330/publication.md
observed 42a856efd8cb2c3f2fdd6cd56d40fce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.942331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018330/publication.txt
observed afcd4ee33fbee851602101a0c1f21af8...
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.