OpenTechnical

OT-2026-000034285

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000034285) never changes.

Identity and time

Publication numberOT-2026-000034285 · never reused
Internal UUID01a0ae75-df0d-789b-ba0b-db350885d485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034285
StatusPUBLIC

Content hashes

Canonical textd5ddfb5b3f07cb207f98d8645e2c50d5b54950437fc4c4a6951fa06f313879bc
Markdown88bf5326529f1c226419a066e08034ad49d585886408f5432432802776af9a7b
PDF
Publication paged108c1e7f47d79f7e336a5f86afb1e7ce9ff8957b1b15c9636eaf11734ea0f0a
Manifest2d868e2b9ead5c06cb0adabd0776ec1de9aed315e2536a34ee12facd7bb692db

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
SignatureQmhRXgvSXNrMOLbRlye74jToW15D0LtzfOPL0I418ZND3eH7yxjSR0+3JxbxmVNdLh/6bkwkEH4W8qefpBNeDw==
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

2026-09-17T11:30:58.288350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034285
observed d108c1e7f47d79f7e336a5f86afb1e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.270983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034285/manifest.json
observed 2d868e2b9ead5c06cb0adabd0776ec1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.255105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034285/publication.md
observed 88bf5326529f1c226419a066e08034ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.238604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034285/publication.txt
observed d5ddfb5b3f07cb207f98d8645e2c50d5...
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.