OpenTechnical

OT-2026-000019624

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000019624) never changes.

Identity and time

Publication numberOT-2026-000019624 · never reused
Internal UUID01a0ae6f-1fb3-7eaa-9080-98118da114df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019624
StatusPUBLIC

Content hashes

Canonical text57e0406979b3cf426c34e20a6b7d58929d55c519b1e818f1611f4e279c7099d1
Markdown55a6726ba0340b01cd2c3423496270468df0e6672642491b74319c64d3ad4dec
PDF
Publication pageb0b7fb44f8bfc0fae9892ee2ac490314e1fbe3f07f83328f59749b332290fcc9
Manifest85fd28d862bd72f845aa4b91adba8f5f4e3bc137d3dc5743c599596dd2e64717

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
SignaturelRoTa1DWZXMj20gKc0hPJHBvkdCRTJ9TOpSZRxMqK3RiQYNZ0DNcTptm522jecwkdYWJW4j1PIJ8YMZxx2v5CQ==
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

2026-09-17T11:57:40.705831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019624
observed b0b7fb44f8bfc0fae9892ee2ac490314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.686397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019624/manifest.json
observed 85fd28d862bd72f845aa4b91adba8f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.669920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019624/publication.md
observed 55a6726ba0340b01cd2c342349627046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.646591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019624/publication.txt
observed 57e0406979b3cf426c34e20a6b7d5892...
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.