OpenTechnical

OT-2026-000021364

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000021364) never changes.

Identity and time

Publication numberOT-2026-000021364 · never reused
Internal UUID01a0ae6f-865c-7538-b5d4-6611922cc319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021364
StatusPUBLIC

Content hashes

Canonical text7627f9837c3c398cf9918243e20429444a89445cb9bd838ec3c23654228724df
Markdown17a7d24fa63b729f3603b8681bd4b0ee66cadec856a7500401d2054064b243ab
PDF
Publication pagedf379b48129c16dd6d2705e398efac168bc6b9c298e01d5b319b167e07b4b544
Manifestf38af5b7eca909081ec8ebad84b97ba701f03f44123708fbc23c6d29e7d69c7b

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
SignaturekO7WRR0T7Bza7CRMPyxg8nwDhWxdjNng4YtNMWSe4rjql47IEzeZVbeXZNxRY0GQft+/u52sIKfbwgwwSs5MCQ==
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

2026-09-17T11:55:13.686518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021364
observed df379b48129c16dd6d2705e398efac16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.669593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021364/manifest.json
observed f38af5b7eca909081ec8ebad84b97ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.650911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021364/publication.md
observed 17a7d24fa63b729f3603b8681bd4b0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.632134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021364/publication.txt
observed 7627f9837c3c398cf9918243e2042944...
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.