OpenTechnical

OT-2026-000018930

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000018930) never changes.

Identity and time

Publication numberOT-2026-000018930 · never reused
Internal UUID01a0ae6e-d522-7513-b5e5-45632df976d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018930
StatusPUBLIC

Content hashes

Canonical text8cbcce63421a2a0c6c5fe6aa8efb77886fae4e177e1ccd27a586cb7a567dc9fd
Markdowna8bcf8af93e0b04451dd370c3207d8e15a45e9cf97212629738500e446c1e18a
PDF
Publication page98024eabc071931a1ad76b86850b86f1b2a6c2255a48b219942736217242e151
Manifest474a9b542ef37ca3b4a314fe32d001600e471dfee9d6452f5c7c47f03cee2288

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
SignatureFrnRuFtkU2POxHVnFrCwGeAdPnJyjOmaX7NpNVBwLMg+OWoMPdsD9AFR6OrrK5IsNoLLHsMpeEORSLXqY7u2DQ==
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

2026-09-17T11:59:35.549750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018930
observed 98024eabc071931a1ad76b86850b86f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.531405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018930/manifest.json
observed 474a9b542ef37ca3b4a314fe32d00160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.514130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018930/publication.md
observed a8bcf8af93e0b04451dd370c3207d8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.497597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018930/publication.txt
observed 8cbcce63421a2a0c6c5fe6aa8efb7788...
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.