OpenTechnical

OT-2026-000019418

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line 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-2026-000019418) never changes.

Identity and time

Publication numberOT-2026-000019418 · never reused
Internal UUID01a0ae6e-f393-7c62-81af-f1115fefe9b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019418
StatusPUBLIC

Content hashes

Canonical text14a81e9881f7a0361bf2646274f457d7be5b0f00a5f50229d420bfd0b8fd481d
Markdown3b91d76ab76e1b47bd75ccc382c8785fb17c3b719ac2f3260698371d72a173bd
PDF
Publication page6e8d86adebfe0c2c786db8b38dc443e6e562496aac7d823f2249b80fd3ed67f7
Manifest3f79fd357f0a55e8b22c30461786a2ef643f1c43ddb5aecdbc4a692306062878

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
SignatureWYQp5iSqLQwfnthI4nHIMKWYxm2TwoIVgk8e0PBftxwReOnwmDO9n3iXylNJbxSmFO+3VwTzeBNiapFuhvDNDw==
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

2026-09-17T11:58:48.569362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019418
observed 6e8d86adebfe0c2c786db8b38dc443e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.550488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019418/manifest.json
observed 3f79fd357f0a55e8b22c30461786a2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.531869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019418/publication.md
observed 3b91d76ab76e1b47bd75ccc382c8785f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.514103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019418/publication.txt
observed 14a81e9881f7a0361bf2646274f457d7...
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.