OpenTechnical

OT-2026-000033663

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000033663) never changes.

Identity and time

Publication numberOT-2026-000033663 · never reused
Internal UUID01a0ae75-a390-74ef-b5e7-27c05ceda862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033663
StatusPUBLIC

Content hashes

Canonical text7d3734b6414b43bec0f4cf9b7fe670f7b539b0ca14723c1dbf7f531e876ec939
Markdown48f8bb321580e068ac9b8dc430f6f6729b301480f2868a39567ff0802a2cb845
PDF
Publication page8904248a068b05709c43b11b53d4a647e6357e19acf68f53e403d798461f1a3a
Manifest28c350213f8f4b1b311a62114e96ef2e3a25c90050129fcff72ad035d99e2342

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
SignatureqasOE76G5KjfFrKUBCFtWYEWLFt6wMp/ESmorE5pjl9ebtEuGcwgwwTfT0WpMvXbFemRKKI0ettGYlH0PMo6CA==
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

2026-09-17T11:31:39.036594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033663
observed 8904248a068b05709c43b11b53d4a647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:39.019655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033663/manifest.json
observed 28c350213f8f4b1b311a62114e96ef2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:39.002919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033663/publication.md
observed 48f8bb321580e068ac9b8dc430f6f672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.985128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033663/publication.txt
observed 7d3734b6414b43bec0f4cf9b7fe670f7...
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.