OpenTechnical

OT-2026-000060321

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000060321) never changes.

Identity and time

Publication numberOT-2026-000060321 · never reused
Internal UUID01a0ae8a-5a75-7cb4-9e34-84d1f3809972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060321
StatusPUBLIC

Content hashes

Canonical textf31de3065601934f37091c5209165138304795b9594a47a5767d1946f23451d1
Markdown9d3440d8660ea59eb425c9fd30e3f47b8cce6788b920c6eef3ea2d5c92af6c16
PDF
Publication page37d698524973e9935948170f31a113fdf4628cde7dc36609ef0b62018d5d1c82
Manifest1a23add1e72ae998a63793a826283f7209fef5c72cd15ab1ff7601b9122f875f

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
SignatureZBFI70Egahttb80zQ8SU6AcXy9LsjS7JK2Ubc99yABcORWAR8NjCTy/tBXmbfpDTGhNL/8HA3MCUT47tXQaxCA==
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

2026-09-17T10:44:01.896655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060321
observed 37d698524973e9935948170f31a113fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.877852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060321/manifest.json
observed 1a23add1e72ae998a63793a826283f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.859720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060321/publication.md
observed 9d3440d8660ea59eb425c9fd30e3f47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.841226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060321/publication.txt
observed f31de3065601934f37091c5209165138...
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.