OpenTechnical

OT-2026-000032549

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000032549) never changes.

Identity and time

Publication numberOT-2026-000032549 · never reused
Internal UUID01a0ae75-106f-7d1f-bd57-5b4b74ab1d98 · 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-2026-000032549
StatusPUBLIC

Content hashes

Canonical textba8b928c7353a171e1a8d9dfe59ff1f2d74da89a5403d6bc17e171779cd71795
Markdown17c0a522798fe91dc70b50480a0ab578bcf00b9785b6e970bf098bbb85606df8
PDF
Publication page9423d940ca7ce32e1bf387a9444d91b30ca215ad69b5cc23fe6229d1107a7c0b
Manifest9a272040cb41de7b7f77809c9f0977c4594cae77202b8340f3ad7f6e4dad60d1

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
SignaturebkKhEAuuaaLVYa/ZkF1BiJQkqEDavnMmmrHWUpYvwJwd9VVUz6bG4j01f/glfj+cnQD4nKwUzibi34De+I13Dg==
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

2026-09-17T11:34:06.928213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032549
observed 9423d940ca7ce32e1bf387a9444d91b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.908356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032549/manifest.json
observed 9a272040cb41de7b7f77809c9f0977c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.889884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032549/publication.md
observed 17c0a522798fe91dc70b50480a0ab578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.870944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032549/publication.txt
observed ba8b928c7353a171e1a8d9dfe59ff1f2...
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.