OpenTechnical

OT-2026-000054115

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000054115) never changes.

Identity and time

Publication numberOT-2026-000054115 · never reused
Internal UUID01a0ae85-b3a8-7f0e-bf2e-115eec1439c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054115
StatusPUBLIC

Content hashes

Canonical textcc2af2a0674b5e278c47c972f03cbb09bc948fd23c6a9c62269aa9e745637ada
Markdown8ec64878710255f33abc83acd5941e3e9bfa7d4f3c1c8c236799f25f4b1414eb
PDF
Publication page37668892c9855184079227584c778c445b9e3295d7362e3edf41dfa3214a0772
Manifest5b2743ca2289829b5175569e00961c75729620799d34721a453d928ed741f9c0

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
SignatureMaA7kmyqK00ShktRtLj2ra6pmphGSRUVK+K2K5BVxp32aKBX0JnlRDOreQypfKdQZgUAyjzWIXQ1X+PT3alhBQ==
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

2026-09-17T10:54:30.682217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054115
observed 37668892c9855184079227584c778c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.663684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054115/manifest.json
observed 5b2743ca2289829b5175569e00961c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.645556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054115/publication.md
observed 8ec64878710255f33abc83acd5941e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.627507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054115/publication.txt
observed cc2af2a0674b5e278c47c972f03cbb09...
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.