OpenTechnical

OT-2026-000052450

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000052450) never changes.

Identity and time

Publication numberOT-2026-000052450 · never reused
Internal UUID01a0ae84-573a-7a02-863b-a5dcdf2e22d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052450
StatusPUBLIC

Content hashes

Canonical text3b30a87d228217835ff8e018bf742d7200096ab0e72c8e50275f740c256d509a
Markdown625fd7766120e69b7258e9614436cf8c4ae57765cb55cea2af4e96e4ed32915c
PDF
Publication page441debfbdb513974e92aa1825d5391fa494ea13b3e9fd828ac770ea0663ecec7
Manifest67cf1364bb6b815df64ae2b5e57210b8281480f7b4ed8ae547951ec4cce19dfb

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
SignatureLGqYB5dQlo5PcEca9f9tjkxcxxT3bAr26M10GgnNvUC7Onyw9QKZDjCmr7Yn45n96eH1aXTMOHHrL1hkYp1eCw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:04.434683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052450
observed 441debfbdb513974e92aa1825d5391fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:04.417098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052450/manifest.json
observed 67cf1364bb6b815df64ae2b5e57210b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:04.400109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052450/publication.md
observed 625fd7766120e69b7258e9614436cf8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:04.383231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052450/publication.txt
observed 3b30a87d228217835ff8e018bf742d72...
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.