OpenTechnical

OT-2026-000034005

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000034005) never changes.

Identity and time

Publication numberOT-2026-000034005 · never reused
Internal UUID01a0ae75-df0c-79ac-bd24-b919dca59e0e · 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-2026-000034005
StatusPUBLIC

Content hashes

Canonical textd91d379facb25ec78c849b6fe035a733463c80c765bcfaf39e436e91a200eb12
Markdown84a5dfd1df381e04fe3815fefe2a9130a27d1b29601d6d3e4cb2822bbf51cb73
PDF
Publication paged2eb014bda9abeabb96bfe1c4a8aef31a748f43f6e9d7ff7d37418fc1f27577d
Manifestf361654f8cd7e35f3706c8ba844b7035ec1163a1527dc02e212997855006a2a8

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
SignaturecXXgLRUbjauvMNPqoAGFNgkvZG1TsrhtFTyCokPK6GhX+/X7nYBnagqPMYloGJ69bOE+T9quL3ZQD5+MKWesCw==
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

2026-09-17T11:30:13.294854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034005
observed d2eb014bda9abeabb96bfe1c4a8aef31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.271819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034005/manifest.json
observed f361654f8cd7e35f3706c8ba844b7035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.251154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034005/publication.md
observed 84a5dfd1df381e04fe3815fefe2a9130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.228548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034005/publication.txt
observed d91d379facb25ec78c849b6fe035a733...
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.