OpenTechnical

OT-2026-000055873

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000055873) never changes.

Identity and time

Publication numberOT-2026-000055873 · never reused
Internal UUID01a0ae87-0a49-7904-b980-8bc2b0629cdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055873
StatusPUBLIC

Content hashes

Canonical text815a56a601daae2b1327b7b1cac05c66f884be9568138be807f57d970c0fc939
Markdowncea25f6d8dd836408ace4f97e4d6a3e9f5ee05e92b038c3fd3ff567b66c1f13e
PDF
Publication page1d0a93b0755a7996b27623e0dd3b960d0b3382495396f88957fe6170da7b93f5
Manifestf7fdbe1bd3e3f9db254c8eec6c91c226904b525cfb8c3dd561908e0b6cafc1b5

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
SignatureKdGarIlhk55KuE6dywipziCvQbxStz0n+Q5bdPtFsiUxd2ojjpugxtYBJQXVrAREwYZlprSu0uFoHnJJfnI7CA==
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

2026-09-17T10:51:16.434715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055873
observed 1d0a93b0755a7996b27623e0dd3b960d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.416284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055873/manifest.json
observed f7fdbe1bd3e3f9db254c8eec6c91c226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.399840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055873/publication.md
observed cea25f6d8dd836408ace4f97e4d6a3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:16.382586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055873/publication.txt
observed 815a56a601daae2b1327b7b1cac05c66...
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.