OpenTechnical

OT-2026-000011746

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000011746) never changes.

Identity and time

Publication numberOT-2026-000011746 · never reused
Internal UUID01a0ae6d-1940-7025-8235-cd947aef0ce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011746
StatusPUBLIC

Content hashes

Canonical texta41999e3be750c68c2907c2aea3168d360a97c81c483e337b6f0dfe91ab2e9c3
Markdown49770e02922aadd9cfc581132130c754f1be9dbf6a474a0df52ad5621aaccd53
PDF
Publication pagefccafb734dc67237262e968330cfb7aab1185d5c2e79f2b439353338e6c366d8
Manifestd2da04b515089d461d0aa4d79982808307fac8147cd9022dd00c61c94fd418ed

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
SignatureqV2H7pkKEdS2/F0DP0zW02quk+Wyj1Rn+KMHtEJL10mNG577A/472/BWRZM8e2Tfr40sc/BP7Ik1XurUcwlMBw==
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

2026-09-17T12:12:27.100747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011746
observed fccafb734dc67237262e968330cfb7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.080124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011746/manifest.json
observed d2da04b515089d461d0aa4d799828083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.061301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011746/publication.md
observed 49770e02922aadd9cfc581132130c754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.042108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011746/publication.txt
observed a41999e3be750c68c2907c2aea3168d3...
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.