OpenTechnical

OT-2026-000055954

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000055954) never changes.

Identity and time

Publication numberOT-2026-000055954 · never reused
Internal UUID01a0ae87-0a4a-77b0-84dc-debc80c64b3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055954
StatusPUBLIC

Content hashes

Canonical textc345d44f9c6fbcd7d55aeba4571ba6c05b24cffee835087c082fa59eec1311df
Markdown18f9311eca450750d5a3dfeacc7a6f807c3a2fdd01936582dcba0363f2f76368
PDF
Publication pageeac6a7a5637bacf7eab8b75b794838dd3e6b41068128fea9f40455b248ecf875
Manifeste6f08722b3cf6e8a926364ba4849da519ba2550f8783bf33e9b808cb7e1c8218

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
Signature5uyopbPxr2U2a00IsUNvHY4wXZgBiH8gsUHlZmMwBWfL+sxBfqTIw6dFCnSHdfGEPPkoGjzSTs86CEwlNDqXAg==
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

2026-09-17T10:51:28.438766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055954
observed eac6a7a5637bacf7eab8b75b794838dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.422545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055954/manifest.json
observed e6f08722b3cf6e8a926364ba4849da51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.405413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055954/publication.md
observed 18f9311eca450750d5a3dfeacc7a6f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.388362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055954/publication.txt
observed c345d44f9c6fbcd7d55aeba4571ba6c0...
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.