OpenTechnical

OT-2026-000084947

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, sustained 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-2026-000084947) never changes.

Identity and time

Publication numberOT-2026-000084947 · never reused
Internal UUID01a0ae99-43b7-7695-8b58-c77000df3c49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084947
StatusPUBLIC

Content hashes

Canonical text35d2897c01f5396fc123a6a8700e72303e2f9025570a9a85433d7c680c07a230
Markdown57195d829eb01f67f1470b5e0c39ffc9cdbeee3b78bdc2cb71b726ff3884152d
PDF
Publication page40e48f86afe925a78f4413528493026ef9d25c5c922a17e6731d74e1bf0a40f2
Manifest26ec2a2551ed858d61356dd80fc5f71642d88a43f6529ecbf4a9a9653de6180f

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
Signatureu6fkWwqzJRiNzi5ULzOpBJkrxRcwKunIY71ZgnqaGHOhcGViJ4RMP5P68y957fqMU2wkNkQhklw6VHKC1rUFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:56.323177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084947
observed 40e48f86afe925a78f4413528493026e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:56.305671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084947/manifest.json
observed 26ec2a2551ed858d61356dd80fc5f716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:56.289618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084947/publication.md
observed 57195d829eb01f67f1470b5e0c39ffc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:56.272402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084947/publication.txt
observed 35d2897c01f5396fc123a6a8700e7230...
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.