OpenTechnical

OT-2026-000060500

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000060500) never changes.

Identity and time

Publication numberOT-2026-000060500 · never reused
Internal UUID01a0ae8a-b7cc-792a-97af-6d59d7c2f3b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060500
StatusPUBLIC

Content hashes

Canonical text1d208601d7a37f22eac8c222bdee8e77d5f039058d5fd84ec31f8ce86918522b
Markdown06bcadd82ff8bc5695b102d405e66f222fa463014f17e5601d2decc61f79286d
PDF
Publication page75e193730563645794c6672c973efaa7899669f8b930fd95911c6813e5749707
Manifestb1062fbf97e0d200cb0bfebd8b13bde94314f19c7c12c79a64ce75f01c4824d7

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
SignatureUaD199Xb9LlfDX3h4K6LCD3f2TMvPyfLEV1b/55cvva83qnZTuxxmjniuivRSel09x5T/BzR3G0N4U3GSqtzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:59.879196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060500
observed 75e193730563645794c6672c973efaa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.860862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060500/manifest.json
observed b1062fbf97e0d200cb0bfebd8b13bde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.841792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060500/publication.md
observed 06bcadd82ff8bc5695b102d405e66f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.822329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060500/publication.txt
observed 1d208601d7a37f22eac8c222bdee8e77...
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.