OpenTechnical

OT-2026-000057694

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057694) never changes.

Identity and time

Publication numberOT-2026-000057694 · never reused
Internal UUID01a0ae88-2695-7860-af2b-9a86faf92af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057694
StatusPUBLIC

Content hashes

Canonical text4a2d1eb066215df5f50ef759b449ebd2c88fba62ea9c21e34b2abb57d8fee5d4
Markdown9204ec291f96ee7639c50bcca63d5c753543f8917dd750affd7eb82f2a24f068
PDF
Publication page8759bf6a85c1ae7f0d78412aa307188859e0b11fb51bfdbcbdf27192374c6396
Manifest47dce45645a52569cdbc2790c7b8424958bd48400060bac644cfda54e4360702

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
SignatureUM4A4f76g8CzRBMGdiyxciU/kYnTIaH58Tmo218Z5/4JH+N6hCELIePVYS4a3kbv1wGIv2WzU68Nczn+eUYnCA==
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

2026-09-17T10:48:21.449955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057694
observed 8759bf6a85c1ae7f0d78412aa3071888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.431862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057694/manifest.json
observed 47dce45645a52569cdbc2790c7b84249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.414679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057694/publication.md
observed 9204ec291f96ee7639c50bcca63d5c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.395944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057694/publication.txt
observed 4a2d1eb066215df5f50ef759b449ebd2...
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.