OpenTechnical

OT-2026-000060229

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000060229) never changes.

Identity and time

Publication numberOT-2026-000060229 · never reused
Internal UUID01a0ae8a-5a73-7d1b-8aca-e0fa5cd41a0b · 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-2026-000060229
StatusPUBLIC

Content hashes

Canonical textd7aaff827a15ee00a0c022d029fbf55e4046bd71f21ca84574e4d9be8a734692
Markdownea15e3d60ab95edd8d373459bd70213d83e0ed38db9d36e045be2729a5b9c1b5
PDF
Publication page68616b7a8370589609034b1c2e6c2ed40b3141ea837360bcdd8c9f555a91c42d
Manifest29811ebf636b14cd7ca52bf6f0b4fc08c25e65b63ec3b79517d2395c6462233a

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
Signaturekob9kYBM+ZoOllJAHDH8AfkFzLIb7fr1Wis7ZXup4qYk3E8bTUyvI+Cws03A01QhhQkN8fNss2Tkve29tBX+Cw==
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

2026-09-17T10:43:54.450534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060229
observed 68616b7a8370589609034b1c2e6c2ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.432952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060229/manifest.json
observed 29811ebf636b14cd7ca52bf6f0b4fc08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.416616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060229/publication.md
observed ea15e3d60ab95edd8d373459bd70213d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.401515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060229/publication.txt
observed d7aaff827a15ee00a0c022d029fbf55e...
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.