OpenTechnical

OT-2026-000061962

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000061962) never changes.

Identity and time

Publication numberOT-2026-000061962 · never reused
Internal UUID01a0ae8b-b8ad-751b-9ffc-6bec7a4cb4f8 · 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-2026-000061962
StatusPUBLIC

Content hashes

Canonical textfb813821c633dc446bf913fb7cdebfa5da354c8316eb473c82c0daab2e75e686
Markdownd5a9e9fc1709338499dc83aa778f6cd1e4bf86fdc5ada28b6848e392a5d9d295
PDF
Publication page3eba61228db6dc106b7348fae0bfe80314fd29b0d1bee27808faf7094c1880ce
Manifest8136f574f7efe07cc7c427e042714ebfeaaaadcbbef4cdb55c218025619e1824

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
Signature74+EmVkySbm5/tAWxybABZ2iRlzEQoGkZULVv4De+6USd97OKY00ts1iVdd0V683tng3Xldw96HmbwOP0S8KDA==
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

2026-09-17T10:40:52.382978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061962
observed 3eba61228db6dc106b7348fae0bfe803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.356240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061962/manifest.json
observed 8136f574f7efe07cc7c427e042714ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.329441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061962/publication.md
observed d5a9e9fc1709338499dc83aa778f6cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.301897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061962/publication.txt
observed fb813821c633dc446bf913fb7cdebfa5...
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.