OpenTechnical

OT-2026-000062097

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000062097) never changes.

Identity and time

Publication numberOT-2026-000062097 · never reused
Internal UUID01a0ae8b-b8b0-79d6-b8af-816f09ef8fec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062097
StatusPUBLIC

Content hashes

Canonical text84457c087ff507435358fc76143e9ac1f88e6bc5fba0c8f69f9264e1880ad7b1
Markdowna5367e895e5a71f7dfb3c127fb16f2e2fb70dd562dab2561315f6d471cecbba7
PDF
Publication page9238eb55f1086abc6de7f4412a30cef271135e867b03d440b4d06fd8cb451f15
Manifest032453236e9f6a5330368de33fd856493a40760a409d534100c7a84177d13eab

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
Signaturefojv4ikPQG/3Frbwg7ATEDm4r/YzczLhQAl9/TopmjW2TvBO80QYBgy6gWVAKeBVqGOsZiXPSMNIfvuzjNV5Cw==
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

2026-09-17T10:41:09.239491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062097
observed 9238eb55f1086abc6de7f4412a30cef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.221453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062097/manifest.json
observed 032453236e9f6a5330368de33fd85649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.203171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062097/publication.md
observed a5367e895e5a71f7dfb3c127fb16f2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.184324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062097/publication.txt
observed 84457c087ff507435358fc76143e9ac1...
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.