OpenTechnical

OT-2026-000043260

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000043260) never changes.

Identity and time

Publication numberOT-2026-000043260 · never reused
Internal UUID01a0ae7b-327d-7202-995c-940a5e187f62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043260
StatusPUBLIC

Content hashes

Canonical text3df9d6b718bd78a9f116b723b5c4dc2999822240ffa504609f01fb2a417d1c59
Markdowne2ae92f9e11475b8d0befa877d8544169f25c0d151598f0c61a365d696498f21
PDF
Publication page1faa7e9852d06c15d5a93a7aef6322bd24171d7f1b347b8e5fdc31258969ff77
Manifestfb2da492bf8f367e93ed1f0c3d65f51c917933e33dc27cb94849fb109329aefa

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
Signature7gr2xqIBDcnVEKBUInPF4vskQDe87KPy8a71Pdavv/72obsHQAuunzPdchs3JAMY0D6HQvtzVwm2x7zkYqsCCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:44.584388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043260
observed 1faa7e9852d06c15d5a93a7aef6322bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.565001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043260/manifest.json
observed fb2da492bf8f367e93ed1f0c3d65f51c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.543670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043260/publication.md
observed e2ae92f9e11475b8d0befa877d854416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.525645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043260/publication.txt
observed 3df9d6b718bd78a9f116b723b5c4dc29...
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.