OpenTechnical

OT-2026-000032389

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, pulsed 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-2026-000032389) never changes.

Identity and time

Publication numberOT-2026-000032389 · never reused
Internal UUID01a0ae75-106e-7c8b-9320-0268d5ec7299 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032389
StatusPUBLIC

Content hashes

Canonical text7537b13b11cc7f4b929bc6c3928b1a8d6c54a04dd846cb57bc0e6f05877fc54d
Markdownd395afbc1dbaf3b204d9d5db0c8602698c58a8dd4c72ddb3cc6c8e952130b4b4
PDF
Publication page90e288e193f2976b5a1d22a219eb651bea176b2f49918e1e1b686430b3475b60
Manifest98bb0ed3c74214625357b7f52829056ca8f02a803ab7421018d3fe69d46d699f

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
SignatureqKHaBiuvbprMYP6MLhFTU79JJ0X2lZDzqS6HwVhJiQCLL049ZdnfTPB73gUUonuLQvR7eJcRyGG+ulv/Pnd6DQ==
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

2026-09-17T11:33:47.915691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032389
observed 90e288e193f2976b5a1d22a219eb651b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.898053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032389/manifest.json
observed 98bb0ed3c74214625357b7f52829056c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.882185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032389/publication.md
observed d395afbc1dbaf3b204d9d5db0c860269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.865350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032389/publication.txt
observed 7537b13b11cc7f4b929bc6c3928b1a8d...
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.