OpenTechnical

OT-2026-000066833

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000066833) never changes.

Identity and time

Publication numberOT-2026-000066833 · never reused
Internal UUID01a0ae8e-ce43-79e3-b43e-c094253d58dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066833
StatusPUBLIC

Content hashes

Canonical text5b81bbba77c4c3775f2393605bdcadbac8583e180be14c99fdfce7f3de8a3ca1
Markdown32b8a03b6688480622d65a0414655436cfb42f7cc0da0987c7ef44dfbf905f15
PDF
Publication pageb0e17a5371508d8508f0684bbd39279efeb28630c7a2706aac459e3d3393dd89
Manifestd85632ff861a52fd5e1a7b23bea6de4583af1ee17b3fd5beb81f4f82f74e192c

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
SignatureAsmkQPV11cqLbIOnrlbQFS9wkq6BWQmLNRIFxiyFqOAtqdd05xwsw0HP9SJTLnoggUMcffTmqz79VkVbGHf5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:16.152663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066833
observed b0e17a5371508d8508f0684bbd39279e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.134250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066833/manifest.json
observed d85632ff861a52fd5e1a7b23bea6de45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.014199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066833/publication.md
observed 32b8a03b6688480622d65a0414655436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.997877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066833/publication.txt
observed 5b81bbba77c4c3775f2393605bdcadba...
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.