OpenTechnical

OT-2026-000059961

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000059961) never changes.

Identity and time

Publication numberOT-2026-000059961 · never reused
Internal UUID01a0ae89-ec26-7ddf-8986-7dc004b823cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059961
StatusPUBLIC

Content hashes

Canonical text8cf5e7f8edb52bf825465b4dc06be830179cb570381984b6b29f521140952be0
Markdown67d30dd9fd550e6967d995e34993109661824b47a369a7053bcd0019b06be358
PDF
Publication page2993d1e9d4ed21e6dc3ad0a110b6d78eba1a4ed053c216b36d438d5a28bda823
Manifest9fb8f277e1ae267a43e628a5f90c009081db0bdeb1817b07b5a54d6a428d2bd6

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
Signature7Ih8kWwF1gZgWpIrxp+Jb/zxjUjxqOpWLNJohsa2DYVuyaQuB4auu90VZumq+s0mskGzirr7V/+DO9H8FGctAQ==
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

2026-09-17T10:44:44.664261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059961
observed 2993d1e9d4ed21e6dc3ad0a110b6d78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:44.646424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059961/manifest.json
observed 9fb8f277e1ae267a43e628a5f90c0090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:44.628061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059961/publication.md
observed 67d30dd9fd550e6967d995e349931096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:44.610850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059961/publication.txt
observed 8cf5e7f8edb52bf825465b4dc06be830...
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.