Pith Number

pith:6U4KVDH4

pith:2016:6U4KVDH4LPCBQBVJ2XD37DZ24E

not attested not anchored not stored refs pending

A dual cavity Fabry-Perot device for high precision Doppler measurements in astronomy

Ansgar Reiners, Ravinder Kumar Banyal

arxiv:1612.07431 v2 · 2016-12-22 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6U4KVDH4LPCBQBVJ2XD37DZ24E}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:52:13.026900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f538aa8cfc5bc41806a9d5c7bf8f3ae13406721193dc4d14385b99147acecc85

Aliases

arxiv: 1612.07431 · arxiv_version: 1612.07431v2 · doi: 10.48550/arxiv.1612.07431 · pith_short_12: 6U4KVDH4LPCB · pith_short_16: 6U4KVDH4LPCBQBVJ · pith_short_8: 6U4KVDH4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6U4KVDH4LPCBQBVJ2XD37DZ24E \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f538aa8cfc5bc41806a9d5c7bf8f3ae13406721193dc4d14385b99147acecc85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aff918d5e7655faa5e9b317aa3fa7a51a528a9bac4219797cd54f11db3f7368",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-12-22T03:36:46Z",
    "title_canon_sha256": "f394afc6a53f0a8e9b24062e4647ae7462d5c421c9bb16a444ac6d6f313fa338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07431",
    "kind": "arxiv",
    "version": 2
  }
}