OpenTechnical

OT-2026-000037167

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000037167) never changes.

Identity and time

Publication numberOT-2026-000037167 · never reused
Internal UUID01a0ae77-7741-73b8-90b1-85d8f81e2605 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037167
StatusPUBLIC

Content hashes

Canonical text90cf3a8c33e2db750593dca53bb5b5cbd48c16d92c9ddd0b58b2fcf1ac8d0988
Markdown0c6d3eaf3590ff924b10e314aa462dbfa1508fcd72083f26ae6bf55ee90a31ec
PDF
Publication page6f17e996dbbfcaf7e8090440926e775f85fd5a38d60b012ebc4b54b999fff689
Manifestf1fb1214a6edb9e22e48ba8bb7b97810589a2af6d48809d4e968901e8702b872

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
SignatureMbvySjhlCX2oNcVz2SRtYM5K4toTu0wBwlG7qU7YmPiul1YSZoXrqgoO5A2ftYrM2rB9BEKUiZjjxHKV+d63AA==
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

2026-09-17T11:25:03.097795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037167
observed 6f17e996dbbfcaf7e8090440926e775f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.081019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037167/manifest.json
observed f1fb1214a6edb9e22e48ba8bb7b97810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.063696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037167/publication.md
observed 0c6d3eaf3590ff924b10e314aa462dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.048158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037167/publication.txt
observed 90cf3a8c33e2db750593dca53bb5b5cb...
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.