OpenTechnical

OT-2026-000018204

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000018204) never changes.

Identity and time

Publication numberOT-2026-000018204 · never reused
Internal UUID01a0ae6e-b488-7e59-b010-8fd0004d108e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018204
StatusPUBLIC

Content hashes

Canonical textaba035b1f6d17890ef837a9be973578aaf09a6341f2ed0b26d6b25b5df41b266
Markdown977e98d1464f6cad91231a438df0b1bb666ddaffa5dc2baab8a128bd0fb6c0c1
PDF
Publication page13687cffc8c490d4638b33a01a2eea2c03039b698a06e66828581659211d1116
Manifest762021eb5e77d0438742d1124520394b9f3b4e783d1df6bd816d5973a6ce07b5

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
SignatureuwVEu/mFbMlqLpdMU4PpLHfveh4oVT4sHkLwOCqS4RtzAoST4BwFy8V5mf89seFVYcr0J3+F7n7gyW8jrcQYBQ==
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

2026-09-17T11:59:59.521406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018204
observed 13687cffc8c490d4638b33a01a2eea2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.504299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018204/manifest.json
observed 762021eb5e77d0438742d1124520394b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.486787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018204/publication.md
observed 977e98d1464f6cad91231a438df0b1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.467365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018204/publication.txt
observed aba035b1f6d17890ef837a9be973578a...
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.