OpenTechnical

OT-2026-000061691

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold 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-2026-000061691) never changes.

Identity and time

Publication numberOT-2026-000061691 · never reused
Internal UUID01a0ae8b-b8aa-74c3-bfb1-0a60a2d6fb30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061691
StatusPUBLIC

Content hashes

Canonical textb107bca18a19f729423b93d60ad2b7f71d7aa6561054e55322ac2582d486851a
Markdown0488ec5a7e2e7e667d6064246a7e9f70a72756eda8e8207944ca5af220a1c3d3
PDF
Publication pageceb7f59e8d422fcdb3d3b9a1810b7c50d62ac00e820778fafabbc22cad4bf174
Manifestc11f203befaa8bce8971f634642820aaa225fa8f52eed695ebad55c82d2a747e

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
SignatureEUzMGms8RspOtUtLLETodWY80RQlVKwdIlOw08KRX+ppO12EPjnp10WUZ2TrHhokvB9/1Esxf9TJVNIBJAdsAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:15.211225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061691
observed ceb7f59e8d422fcdb3d3b9a1810b7c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.191081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061691/manifest.json
observed c11f203befaa8bce8971f634642820aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.166667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061691/publication.md
observed 0488ec5a7e2e7e667d6064246a7e9f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.142924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061691/publication.txt
observed b107bca18a19f729423b93d60ad2b7f7...
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.