OpenTechnical

OT-2026-000013230

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000013230) never changes.

Identity and time

Publication numberOT-2026-000013230 · never reused
Internal UUID01a0ae6d-6fc9-74e4-83eb-50f1d7af6073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013230
StatusPUBLIC

Content hashes

Canonical textc6600e0dd325a7634ea2fae36644bd50963fdbf873cdab9a4ebbad009d35bd0f
Markdownecaeab303f84988223f79cc29ce3eb51b0aeb0a4c35f30c0066252edae054a94
PDF
Publication page2146bb2fcde38cb3c1a49d2923bcdfd95358343078e77f17bfb3a56f205d22d1
Manifest0b19b1f9d58ea857864f69c639b787877d496ebd075c5da9845e86c5ff600103

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
SignaturezXliN2uIg+QG/gufHletZkaNyjVKjWjH4KYa8/cC6NjCvaPgjJ8iaTAw5ZC6SbuBs7Vq1yV8PpalYjO4binlBQ==
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

2026-09-17T12:09:37.627353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013230
observed 2146bb2fcde38cb3c1a49d2923bcdfd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.604488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013230/manifest.json
observed 0b19b1f9d58ea857864f69c639b78787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.582970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013230/publication.md
observed ecaeab303f84988223f79cc29ce3eb51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.562775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013230/publication.txt
observed c6600e0dd325a7634ea2fae36644bd50...
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.