OpenTechnical

OT-2026-000010590

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, vented 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-2026-000010590) never changes.

Identity and time

Publication numberOT-2026-000010590 · never reused
Internal UUID01a0ae6c-0ee7-700f-bd28-275f7e489b90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010590
StatusPUBLIC

Content hashes

Canonical text23fcf223e1f64412d781de779b350d40fc87218d49ef4c7f3daf812f8ab1e399
Markdownf29115157b53778543e7173b52b97b3bef53097b14aaa873e09ccc10624b7980
PDF
Publication pagefbedbde37d118a3f1d408a5dff8466ef5bfb713f132c5da69fee8a9ebbadbf31
Manifest80eda07692b9238e4b934a2bc327d56ede18f261766882ed944baaf472e63862

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
Signature6vgCJrRGPu+GUBvMW8Twfmoi8Q/k+p25TFL5y/InMFiPoXsoE/PLL9CWjcKgwsIXE1K4ZW0VB+kLCGPwc19wAQ==
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

2026-09-17T12:14:46.437904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010590
observed fbedbde37d118a3f1d408a5dff8466ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:46.418130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010590/manifest.json
observed 80eda07692b9238e4b934a2bc327d56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:46.397330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010590/publication.md
observed f29115157b53778543e7173b52b97b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:46.379181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010590/publication.txt
observed 23fcf223e1f64412d781de779b350d40...
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.