OpenTechnical

OT-2026-000057442

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000057442) never changes.

Identity and time

Publication numberOT-2026-000057442 · never reused
Internal UUID01a0ae87-d5c7-70a3-a894-bbaec15d8c33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057442
StatusPUBLIC

Content hashes

Canonical text94119b5a3a4c24004623ae5a6c08b116b8ffda1df5e00c501cbdc54bd1b83ee6
Markdownd32b90a370efdce2d00a52ad9befb89dc0fbfafe9c292fd6b78f8f3494662ce1
PDF
Publication pagec69c1af08257aebb95f04134c3b3650ec7f28d4724ce3dc56aac9d264c4a5710
Manifestf3c3f5fdd6ee92fb521e5d6fe6913717fff624584072a50b68d8bdbb9554854d

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
SignatureYxz9+/uuaMrHc2+zYcEsi5xDb9o1qe+BmxvSkQ/m806Vy1kxs0l9gU43qNyf1DGWhrjNUii4MKsryYI2xw7/BQ==
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

2026-09-17T10:49:44.228667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057442
observed c69c1af08257aebb95f04134c3b3650e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.209641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057442/manifest.json
observed f3c3f5fdd6ee92fb521e5d6fe6913717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.188380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057442/publication.md
observed d32b90a370efdce2d00a52ad9befb89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.169754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057442/publication.txt
observed 94119b5a3a4c24004623ae5a6c08b116...
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.