OpenTechnical

OT-2026-000055093

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000055093) never changes.

Identity and time

Publication numberOT-2026-000055093 · never reused
Internal UUID01a0ae86-5e81-757f-a093-2e16f8a3ffa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055093
StatusPUBLIC

Content hashes

Canonical text9514fd89ccade6c56d47035065d6c9f81b87c18aec69678f8ba8ddf60dc504d4
Markdowneea83cc43b2205377c21a73c17d6c8c839173803e7c066b3327912ce6eddcb0e
PDF
Publication page73bc7263694533f9bfd6013a27bb04443e2d54b7389f7c8a5166ccd68c0809fe
Manifest2d3851fd3019cc443308bf6a6de3bdc16f0d4dfc4eb34edf365f02580c941906

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
Signaturesu6sHdVAvz+DRhGykx9RBCesetbs5dzmq6cVNbGeed1jKzFime+/T4jkHtMF4VIDZqnz4CyNNeN1lIgWnNRnAA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:15.194441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055093
observed 73bc7263694533f9bfd6013a27bb0444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.176913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055093/manifest.json
observed 2d3851fd3019cc443308bf6a6de3bdc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.157823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055093/publication.md
observed eea83cc43b2205377c21a73c17d6c8c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.139275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055093/publication.txt
observed 9514fd89ccade6c56d47035065d6c9f8...
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.