OpenTechnical

OT-2026-000059315

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000059315) never changes.

Identity and time

Publication numberOT-2026-000059315 · never reused
Internal UUID01a0ae89-8614-7c21-a0ac-8622c2c6a2dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059315
StatusPUBLIC

Content hashes

Canonical textbd7393d4e8e2703453845ad93e62cf94883afbd54aa4aa83d4b4ed2f4e9d3e49
Markdowna61663848887ba5e620beaf9a6524febfefba64f1637a572267a915cd5b925fc
PDF
Publication page9cfbc161d965e476f6b83545f6554d7adb5fd34c1fbcd04f074d41b340630ba9
Manifest3f7df311553becb31a0ca26f1d42d0a1465e0b419836865ff4cad5153d57da68

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
Signature3+Va+Z4CnXH8jYgug2SlhjIfzXs50FTtY18laSYxzlfR8JNNm1WSCrO3kRP18gAUN56fupPO0Pv9pLkZb+AcBQ==
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

2026-09-17T10:45:58.257624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059315
observed 9cfbc161d965e476f6b83545f6554d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.238860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059315/manifest.json
observed 3f7df311553becb31a0ca26f1d42d0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.220924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059315/publication.md
observed a61663848887ba5e620beaf9a6524feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.203341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059315/publication.txt
observed bd7393d4e8e2703453845ad93e62cf94...
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.