OpenTechnical

OT-2026-000060104

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000060104) never changes.

Identity and time

Publication numberOT-2026-000060104 · never reused
Internal UUID01a0ae8a-5a71-7840-bc6d-0374f4855137 · 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-2026-000060104
StatusPUBLIC

Content hashes

Canonical texte95e4ec623b5a7acc54fbe4c4f2239789d0dcc27c51dcf196246cf6aab8eabaf
Markdownef68510dc941c4c6d45ed36ddcd05df5bc3dc8e35933303b87efd0ab29e3ee2b
PDF
Publication pageaaf9350eb47ac3a83a35f9ebd0084ed89773a8599c0df8041c4d347126477d64
Manifest4fc595c10ba2567156b3b57c1885e488c70315b8520f591bcc64212e1b8896c0

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
SignatureLkWUCbkBducLJeIKh8vjo9Ee46wxXluC5XpCw/MII/2Gqp3fV5VAGxGkDHQ7DULAXePg6PEM4NIEvTpKTysABg==
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

2026-09-17T10:43:44.911681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060104
observed aaf9350eb47ac3a83a35f9ebd0084ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:44.893378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060104/manifest.json
observed 4fc595c10ba2567156b3b57c1885e488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:44.875802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060104/publication.md
observed ef68510dc941c4c6d45ed36ddcd05df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:44.858109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060104/publication.txt
observed e95e4ec623b5a7acc54fbe4c4f223978...
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.