OpenTechnical

OT-2026-000030783

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030783) never changes.

Identity and time

Publication numberOT-2026-000030783 · never reused
Internal UUID01a0ae74-3fb4-725a-970f-cce01c9e45b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030783
StatusPUBLIC

Content hashes

Canonical text9c7bdffe88d45faf9a5ff1056a316e0742d904c0261b618e69619075b46c0ce0
Markdown7026f8fc7e88b8a200d63bdbba58ef11b111e0363fdad5fc689e1b9548d3ad78
PDF
Publication page880c5cda03b694a67ce15a0733cd4388e77019163e4c2978d2bc6dd8eabc54c0
Manifest2e38f2b6676fda0c5dde6e958c2fd5abcc039070b741b15f7a39db9f68504921

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
Signature6sIor6cnrZGACleBgbuaGS4Ys7HyU8e63DanmMdPPLtxZkDAkDhQ0J63XvofI/JMwGhorbUjMc7zzsHnbRBzAA==
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

2026-09-17T11:36:41.023896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030783
observed 880c5cda03b694a67ce15a0733cd4388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.004800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030783/manifest.json
observed 2e38f2b6676fda0c5dde6e958c2fd5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.985633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030783/publication.md
observed 7026f8fc7e88b8a200d63bdbba58ef11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.929214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030783/publication.txt
observed 9c7bdffe88d45faf9a5ff1056a316e07...
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.