OpenTechnical

OT-2026-000025750

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025750) never changes.

Identity and time

Publication numberOT-2026-000025750 · never reused
Internal UUID01a0ae71-a83d-7522-b975-c1ec8b7605a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025750
StatusPUBLIC

Content hashes

Canonical textd7400357a5aff0605489f143eae3aac1a25dc1978c387a90841ea8ae78e054b0
Markdown12d6556c45e72e11481af5d497c22d204f5904efa4f579ecdefbd909997d4711
PDF
Publication page3bf94d8470f0180e9facf3f3613f8b258bcbeb4412291086e8395ec736736617
Manifestf55fc5c3e8d70176548aa3c09d5943f3acfee4386c5276767e0609f6908526e2

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
Signature80FcTARjpmfSVEZWwpwbnrSmrMk5i5bwcTVx0Gpr68Uf1YO469BL4rfTkHde2WPjI50jCHWTPT+0EdQrC6K7Dw==
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

2026-09-17T11:45:57.019860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025750
observed 3bf94d8470f0180e9facf3f3613f8b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.003622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025750/manifest.json
observed f55fc5c3e8d70176548aa3c09d5943f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.983725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025750/publication.md
observed 12d6556c45e72e11481af5d497c22d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.967274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025750/publication.txt
observed d7400357a5aff0605489f143eae3aac1...
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.