OpenTechnical

OT-2026-000047730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000047730) never changes.

Identity and time

Publication numberOT-2026-000047730 · never reused
Internal UUID01a0ae7f-c41f-7ef1-8974-c7cfd44821d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047730
StatusPUBLIC

Content hashes

Canonical text1745dbe016d76e98abbb562ab5e98ca44d310f71c8ae326ebc5e63f40031067b
Markdownfa6e6d191aa63488d6122a047b2e8f3f6f4d7cd8317c7ab0589ce33a48b23bbf
PDF
Publication page6cca0421396bf6aeabde99bdb3fa03888d195c4214db55657ec01e4fb6c9e017
Manifest4779ec0dddcf2faccf64c9ad864716e1bb3fe9692740e47cb6b25e71592c2233

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
SignaturePT30wNOkqHkmxcpPKQsocUe3BW568XXFutzSmZSeXrW9qpl73KqMbsGUGIk/yvp6e719m5/DhSxxgTAHeigWDA==
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

2026-09-17T11:05:36.166413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047730
observed 6cca0421396bf6aeabde99bdb3fa0388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.147961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047730/manifest.json
observed 4779ec0dddcf2faccf64c9ad864716e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.127761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047730/publication.md
observed fa6e6d191aa63488d6122a047b2e8f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.110628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047730/publication.txt
observed 1745dbe016d76e98abbb562ab5e98ca4...
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.