OpenTechnical

OT-2026-000022152

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000022152) never changes.

Identity and time

Publication numberOT-2026-000022152 · never reused
Internal UUID01a0ae6f-f4fb-761b-8856-94982000ead8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022152
StatusPUBLIC

Content hashes

Canonical text58c4c89ba862f8ed2c8f65eb6b2175fa5b2ea28e1783a96a962fb9b9307686e7
Markdown367d292f1d34ce4bc21c56b0e92ec50b32e65c8f88ba8e743e0e07ad36c933de
PDF
Publication page3e36613136ef70f90985023faf2d7d26d7530dd7b80765326eb607496090e605
Manifest1551205271bdb2fea03d1eb6a6c16b4ceb736d115abcb6ab5601de567b79349b

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
SignaturepqehK0rTou7JNWfYssCfXSRxV0py3BA7okeRkfiAVIw/Qg2Z5flpX2rdstobO+dgE9BF8W7OL0b7CUvTcQdGBQ==
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

2026-09-17T11:52:49.798209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022152
observed 3e36613136ef70f90985023faf2d7d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.780887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022152/manifest.json
observed 1551205271bdb2fea03d1eb6a6c16b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.763629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022152/publication.md
observed 367d292f1d34ce4bc21c56b0e92ec50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.745836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022152/publication.txt
observed 58c4c89ba862f8ed2c8f65eb6b2175fa...
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.