OpenTechnical

OT-2026-000018598

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000018598) never changes.

Identity and time

Publication numberOT-2026-000018598 · never reused
Internal UUID01a0ae6e-b48b-7977-b2f0-6c7af88ad525 · 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-2026-000018598
StatusPUBLIC

Content hashes

Canonical textd4c34b8fe2e52dc3a0d22f4033c0936f8353a1c5fc233cfd3014c51208436166
Markdowncff141ba971a05be2858150f120a8e074013f0ae893b3104e66ed2e1247d9efe
PDF
Publication pagebea207c7d3a4efc38c44e52c19767a10148dbe829db5904fa613db33df302319
Manifest1534479dc11d2fc016d1b5393346e485ef6f849c83bf37190c8d23774d05dd7b

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
SignatureQZMSplTzz7UHIF1wKbUne3sQ2YpQJkzglvtKZRgB6cLw+jpl6pLoDY5VU2DM8bcV47aNTH+zPj6kJCPoQqQdCQ==
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

2026-09-17T12:01:24.173821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018598
observed bea207c7d3a4efc38c44e52c19767a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.157506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018598/manifest.json
observed 1534479dc11d2fc016d1b5393346e485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.140212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018598/publication.md
observed cff141ba971a05be2858150f120a8e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.123130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018598/publication.txt
observed d4c34b8fe2e52dc3a0d22f4033c0936f...
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.