OpenTechnical

OT-2026-000032848

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000032848) never changes.

Identity and time

Publication numberOT-2026-000032848 · never reused
Internal UUID01a0ae75-4842-74f4-90f8-696b4a49b5a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032848
StatusPUBLIC

Content hashes

Canonical textf07274d0dbb03c57b84af301397445492d99883e96b5418231dc3f2d872fd6db
Markdown4a63e2cfe4f6f4fae7e44649b26529c80b63d6feed7c2a702312113e175e63ce
PDF
Publication page8514d43d0d5ead11ae804aa9ef2d5bf08508bb10ebc22d4aa42698a34fcb3761
Manifest9ecd7fc88eabcb41d9f5124f4a30662f5409689786bc2029904bd77737a460c0

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
SignatureJl429ucxbt+Dws3/eNdgM2sBs220PflGLK7r2CKLse+NXwkL5Hto4T2p9cgA+6hftLBqLtYEc+toKph76YQmCA==
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

2026-09-17T11:32:18.625852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032848
observed 8514d43d0d5ead11ae804aa9ef2d5bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.608624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032848/manifest.json
observed 9ecd7fc88eabcb41d9f5124f4a30662f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.589427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032848/publication.md
observed 4a63e2cfe4f6f4fae7e44649b26529c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.571536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032848/publication.txt
observed f07274d0dbb03c57b84af30139744549...
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.