OpenTechnical

OT-2026-000016705

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000016705) never changes.

Identity and time

Publication numberOT-2026-000016705 · never reused
Internal UUID01a0ae6e-5918-7f86-83bd-5becb1f36c13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016705
StatusPUBLIC

Content hashes

Canonical textf0b2116662a1da2c85cf8e8782ac5ee0bb3d130671b85a0151b962feb257b312
Markdownc236c7da172c9fb7a4724530d5dc9484f697db1de3f27cbf481999260c6a51b9
PDF
Publication page514ffab93c219a77962337ef18ee63dbc0147f015701f645a9e39f6515a35f61
Manifest2495a7a97822993266288fef16ecb15b386e881761a3ea6c782cb32a5adf8c90

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
SignatureQ4m7sveNL6jAqeRgwjHGyZOnFtwf2l3TLmy9koWkjs6GKf0YcmcV866R6PJlWliJUNjLsvztGUpciNJ8jSRUCw==
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

2026-09-17T12:02:55.729357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016705
observed 514ffab93c219a77962337ef18ee63db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.711468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016705/manifest.json
observed 2495a7a97822993266288fef16ecb15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.694721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016705/publication.md
observed c236c7da172c9fb7a4724530d5dc9484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.678805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016705/publication.txt
observed f0b2116662a1da2c85cf8e8782ac5ee0...
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.