OpenTechnical

OT-2026-000060304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000060304) never changes.

Identity and time

Publication numberOT-2026-000060304 · never reused
Internal UUID01a0ae8a-5a74-700b-aa6e-d4fc9f56940b · 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-2026-000060304
StatusPUBLIC

Content hashes

Canonical textfd5aecf83236666c5418c1eef41f5d37306ddf9668af1f37db0569504a9e80e4
Markdownb4d9e6d138119cf1c0dfba00c1b7d4f72d13c6d0c33d5fbfb94373c9d4eeaed5
PDF
Publication pageb076d632eb33ab5a1e1b427f2995c4803d8fa3995e074c05a73b0a7d47fdec84
Manifestec3bb745e2608d5c59f42d0eacd9a75999a4e217b5160884495744d7e8e7df81

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
SignatureKWnA2aDseMnf+TSEHQhfK3jRj8zJ1asC1r8aFw29bWRz4R9vgWjmVQUnkkVFm5udUZQGGdfdR4z6goKb+yQDDg==
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

2026-09-17T10:44:00.686640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060304
observed b076d632eb33ab5a1e1b427f2995c480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.669290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060304/manifest.json
observed ec3bb745e2608d5c59f42d0eacd9a759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.651695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060304/publication.md
observed b4d9e6d138119cf1c0dfba00c1b7d4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.634634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060304/publication.txt
observed fd5aecf83236666c5418c1eef41f5d37...
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.