OpenTechnical

OT-2026-000058974

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000058974) never changes.

Identity and time

Publication numberOT-2026-000058974 · never reused
Internal UUID01a0ae89-47a0-7d20-9011-43d4d7439976 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058974
StatusPUBLIC

Content hashes

Canonical text1709a134b94af18802607564fa4a6a2281a3a7e1d50b4a408cbaa415a9dc2a5b
Markdown93af16023e5ec9f52daab7c2d4707b299e6ee8aed866fab5888fa5d3b8cc0d19
PDF
Publication pagecd4616d614161e86d56b38bb7dbd26b8a00185f21be5ee3969a862c2724ce427
Manifestb950b2b94584bfb307fbb53451b44240448580d3e048f573cc947d4ea57d22af

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
Signature/oC/yB2ikTu49mFPqTaoRD1yVtlh9ALizJ6fjBx9/ohow9fgiUk0yi1OaDBrpmTJDPgxVdSw/zavPW3Z/6+5Bw==
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

2026-09-17T10:46:33.415560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058974
observed cd4616d614161e86d56b38bb7dbd26b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.398080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058974/manifest.json
observed b950b2b94584bfb307fbb53451b44240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.379993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058974/publication.md
observed 93af16023e5ec9f52daab7c2d4707b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.362783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058974/publication.txt
observed 1709a134b94af18802607564fa4a6a22...
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.