OpenTechnical

OT-2026-000041834

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000041834) never changes.

Identity and time

Publication numberOT-2026-000041834 · never reused
Internal UUID01a0ae79-e8a5-7394-a767-f8812e8e126b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041834
StatusPUBLIC

Content hashes

Canonical text2c881b24a252923f98b5870a14b667ca5b8314ae9155cbdde56762f4adc901c4
Markdown1cccd788e0cd5675a778fa167229c1c878d7c1911a178718e7c23f3d7edee7a9
PDF
Publication pagea713a472b5e0d29eef1948ea615b2a2fc27c9b5b1adb62e83fc69ee2753232e7
Manifest5e1f025f577b97d061691498d363e8f2011a67baf43adf59b97f61b803f09a98

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
SignatureH4RlHOL4uyNh1Ftd+4S7R2xyo7PSJMdOe4nhGQsMAs/w+HK1Y5y/BsrD+a34pQEfeM/jJt2nN7EgE05f9BkpBA==
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

2026-09-17T11:16:41.986595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041834
observed a713a472b5e0d29eef1948ea615b2a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.969295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041834/manifest.json
observed 5e1f025f577b97d061691498d363e8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.950257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041834/publication.md
observed 1cccd788e0cd5675a778fa167229c1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.932654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041834/publication.txt
observed 2c881b24a252923f98b5870a14b667ca...
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.