OpenTechnical

OT-2026-000014033

Publication integrity record

Single cup vacuum gripper, pump fed, pulsed blow-off before 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-2026-000014033) never changes.

Identity and time

Publication numberOT-2026-000014033 · never reused
Internal UUID01a0ae6d-8deb-76cc-b609-c765b1e55f1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014033
StatusPUBLIC

Content hashes

Canonical textb0fb6d4467c16ebc71fcebe80b746bc8aec610208a328231bb267bd4b3935444
Markdown7140744104c34b67241fe8272c855439a863411dab745120553d3f81913fddd8
PDF
Publication page921a89b886fce12562330f4585ce2efab7b4760b1942c546fef1869284d9fe57
Manifest43acc8bcd3a311e099b99a38e365292b51b347719facd0c8097eca91c144388b

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
SignatureD64yGFSkS6FB3nI33aCThJ0KrQI9vk5vDX54P0BbzFdMO+axygKr1qhv+1EtqJn7VRFC2GlT6uQ7KmXhcaquDQ==
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

2026-09-17T12:09:15.876733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014033
observed 921a89b886fce12562330f4585ce2efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.856138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014033/manifest.json
observed 43acc8bcd3a311e099b99a38e365292b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.835951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014033/publication.md
observed 7140744104c34b67241fe8272c855439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.814300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014033/publication.txt
observed b0fb6d4467c16ebc71fcebe80b746bc8...
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.