OpenTechnical

OT-2026-000061193

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000061193) never changes.

Identity and time

Publication numberOT-2026-000061193 · never reused
Internal UUID01a0ae8b-1380-7ca1-857c-6f26a12072d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061193
StatusPUBLIC

Content hashes

Canonical text9736c96266f38659ad64d3c4b2579a53a4509e7137c645b622f886602fe023bc
Markdown876139264f04216f6d7ba9a100576232aee6ef4d983c9b2a1d971b4aa4beae15
PDF
Publication page0d0276a1cf784fab7f3c90dcddf20fff23dad7b7da259ee3281051811029427a
Manifest08bd99a417e83e37630144987069fd6f77f7b7b19ff5c7770fcd7ff2edc283b6

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
Signature7keKBOOgU4OMUz5b+OpspSl4C9Cf2nRsEveIHQRxdhYpiYUy7nWyMJr2txPqTSaKJ/m9K+JMfSMWoZjuC6qoCQ==
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

2026-09-17T10:42:35.385543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061193
observed 0d0276a1cf784fab7f3c90dcddf20fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.366947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061193/manifest.json
observed 08bd99a417e83e37630144987069fd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.349638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061193/publication.md
observed 876139264f04216f6d7ba9a100576232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.330399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061193/publication.txt
observed 9736c96266f38659ad64d3c4b2579a53...
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.