OpenTechnical

OT-2026-000049811

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049811) never changes.

Identity and time

Publication numberOT-2026-000049811 · never reused
Internal UUID01a0ae81-8ff0-77d4-b8c2-015b403be891 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049811
StatusPUBLIC

Content hashes

Canonical text1c441ada267e2d55571cdbd732ac68a1a3d3d94a992c620009c31545355ad208
Markdowncc1b6f1ff783699a6e21c36ea749ed9c249da50a5a6ddc27db3edfbc5a6838d3
PDF
Publication pagea113bcf26282bcbf558c53debdf58cc3795c89c49441b9039641aaf9008d4abe
Manifest53f01cf31a91bc1e45f1fbabc439a38315c06fff638b862fc83d370d9725fb00

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
Signature5XeONK+NX0bairFSUN1ZB+DL93ez9qp4y4Saoft9N7bTxUs8nHY59x8buONEJRIrR3ivaGD/BojKvjr6nrWcBA==
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

2026-09-17T11:02:56.360149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049811
observed a113bcf26282bcbf558c53debdf58cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.340419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049811/manifest.json
observed 53f01cf31a91bc1e45f1fbabc439a383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.320621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049811/publication.md
observed cc1b6f1ff783699a6e21c36ea749ed9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.299412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049811/publication.txt
observed 1c441ada267e2d55571cdbd732ac68a1...
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.