OpenTechnical

OT-2026-000018802

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000018802) never changes.

Identity and time

Publication numberOT-2026-000018802 · never reused
Internal UUID01a0ae6e-d521-7ebf-bfba-de42847cea54 · 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-2026-000018802
StatusPUBLIC

Content hashes

Canonical textd24999fd6a853cb81a71b11e7ed4031c3bc9f9192ff69af65a486d7d0b437132
Markdown1fbd9aa719e68954b91bda409aea37f866e38e4df7e5050dcc83b8b66c818d68
PDF
Publication page5fb03e27f8d46c9a09d344f6187aa8c756a117b2911e50f292a58b97965ed6b3
Manifest640a5e78bfd8b07539a7565566c56d7f4c16c8312f5c0995865ff6ab5be90892

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
SignaturewZPiKhkVNKYylbltZravyFrcOVOBZL0in3C2UW6tnuEF4taQoHnS1XStRJzIc0WYidEKu+XOZYbPc5jIw4zJBQ==
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

2026-09-17T11:59:25.802103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018802
observed 5fb03e27f8d46c9a09d344f6187aa8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.783209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018802/manifest.json
observed 640a5e78bfd8b07539a7565566c56d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.765743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018802/publication.md
observed 1fbd9aa719e68954b91bda409aea37f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.748358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018802/publication.txt
observed d24999fd6a853cb81a71b11e7ed4031c...
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.