OpenTechnical

OT-2026-000041218

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off after 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-2026-000041218) never changes.

Identity and time

Publication numberOT-2026-000041218 · never reused
Internal UUID01a0ae79-b143-787c-a5dc-a6e298b755bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041218
StatusPUBLIC

Content hashes

Canonical text4b8411f8f737092f8d71991bcc74bcf03af7530fdcca3a3f98ae1368528cc7b0
Markdownf23a99994a8d3275f16c59d668ab75e22bb22933a0919e4d2c48419b8548bfb1
PDF
Publication page737d3c60ee38e90b80921cb344d102579a9647b629b8fab7bd22a2d3d0654a1f
Manifested61f80c51600baf7e87221c0cad5ffd867466a7ec1e5a74e348ebebd9449e3b

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
Signaturet5GoVdKWEmAXM3LMicnE0nrS+vTacgQz+qKhUwnlfvBYZgg2HV7ejaBLOaZylTMgHrX/Wko7nxd7D7eo0W2MBA==
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

2026-09-17T11:17:10.787552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041218
observed 737d3c60ee38e90b80921cb344d10257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.770383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041218/manifest.json
observed ed61f80c51600baf7e87221c0cad5ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.751395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041218/publication.md
observed f23a99994a8d3275f16c59d668ab75e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.733531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041218/publication.txt
observed 4b8411f8f737092f8d71991bcc74bcf0...
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.