OpenTechnical

OT-2026-000060709

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000060709) never changes.

Identity and time

Publication numberOT-2026-000060709 · never reused
Internal UUID01a0ae8a-b7ce-7d34-b8ff-80395bf42173 · 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-2026-000060709
StatusPUBLIC

Content hashes

Canonical textb2a91f4fd81717df1360e404819333bd21732d6f4dfcf7988ef1488a9978c808
Markdownf76d63c2ad1a49aca60844fbc62e030a293160dd3e2ac9750dbb9200831d311b
PDF
Publication pagedf78861eeb3709dda661172b782c36b46afe6edda6696c6680d7d7804cba1a46
Manifestea88c0bcafab4b197ada69af7adef329f8128e2a82e27a3054c3af3ee38783b9

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
SignatureSJ+pweWMDaAvaUIe+z/LAqzAvFYkflwmpUTfrpmKG5K2g7iemOlh0ObRhhv+Imwx2bDq+/2tnZdFSQ1nkqNdAQ==
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

2026-09-17T10:43:21.491328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060709
observed df78861eeb3709dda661172b782c36b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.473802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060709/manifest.json
observed ea88c0bcafab4b197ada69af7adef329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.457574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060709/publication.md
observed f76d63c2ad1a49aca60844fbc62e030a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.440488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060709/publication.txt
observed b2a91f4fd81717df1360e404819333bd...
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.