OpenTechnical

OT-2026-000067053

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000067053) never changes.

Identity and time

Publication numberOT-2026-000067053 · never reused
Internal UUID01a0ae8f-14fe-7c3c-b763-9101f2bb18a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067053
StatusPUBLIC

Content hashes

Canonical text896951c337c0654af78d831b4df455fab093537256efb3353d7d9f16500e75f3
Markdown9df43f5dd17428a89f3f87694880efa69f163b71dd1488913a5756bb9180182d
PDF
Publication pageef8cd3440c6d979f91642c568666a923becb09152966a6f064cae82806d4df8b
Manifest1eacb673b98bfb13458a7d311f2bd421529a1d0b14aa3d39bf25051cafecccbe

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
SignatureHMkue0rB2MdTDPQzWZX9ogucCaeL/KLkURLOoDDMwrbRbp8Ls/qwHEJTjkx0K/SNut/VC1c7ialKnQyUtPnFDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:18.577041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067053
observed ef8cd3440c6d979f91642c568666a923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.559625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067053/manifest.json
observed 1eacb673b98bfb13458a7d311f2bd421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.540784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067053/publication.md
observed 9df43f5dd17428a89f3f87694880efa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.522449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067053/publication.txt
observed 896951c337c0654af78d831b4df455fa...
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.