OpenTechnical

OT-2026-000040729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000040729) never changes.

Identity and time

Publication numberOT-2026-000040729 · never reused
Internal UUID01a0ae79-6d0f-7095-b302-f4d3951d7599 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040729
StatusPUBLIC

Content hashes

Canonical textc411edc75cc54916f9dbe43ad58b78e8c725a97ff9cf1501c256ee93baa73602
Markdown78c03416e781ae2de95981b3e6faa7fec4496d46db09b70a110013da4f4c13f5
PDF
Publication paged0ca6217ee03d0e6b815406efa6e5557a619a2e877a94339592aa041fb721e4d
Manifestbf721426c24ce328e8ef225adba246daba6d61a8ff8a868b7c62a6261bf162ba

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
Signaturelx47vuC4ojIBmhRPRWvTnrsxe2516PLrZMxvec+pgVjYciSy/jMCuVdaj118LFuRtljOfKy+s+tZqrvPfBX4Ag==
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

2026-09-17T11:17:59.998381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040729
observed d0ca6217ee03d0e6b815406efa6e5557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.979837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040729/manifest.json
observed bf721426c24ce328e8ef225adba246da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.961597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040729/publication.md
observed 78c03416e781ae2de95981b3e6faa7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.942255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040729/publication.txt
observed c411edc75cc54916f9dbe43ad58b78e8...
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.