Pith Number

pith:F56FS3TW

pith:2014:F56FS3TWP7BNHQ7ZP2RPWFUMIM

not attested not anchored not stored refs pending

Spectral Curve Fitting for Automatic Hyperspectral Data Analysis

Adrian J. Brown

arxiv:1401.5562 v1 · 2014-01-22 · 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{F56FS3TWP7BNHQ7ZP2RPWFUMIM}

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	2026-05-18T03:01:25.942659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7c596e767fc2d3c3f97ea2fb168c432e5776c8e62313b2b6124cbba294fe49

Aliases

arxiv: 1401.5562 · arxiv_version: 1401.5562v1 · doi: 10.48550/arxiv.1401.5562 · pith_short_12: F56FS3TWP7BN · pith_short_16: F56FS3TWP7BNHQ7Z · pith_short_8: F56FS3TW

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/F56FS3TWP7BNHQ7ZP2RPWFUMIM \
  | 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: 2f7c596e767fc2d3c3f97ea2fb168c432e5776c8e62313b2b6124cbba294fe49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a955badad22787b86f46bd638ff0ccd2f59a49dd144242491812bef4ea4026",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-01-22T06:03:06Z",
    "title_canon_sha256": "928d315799d7b5c7d4ea74808e847cb64e7dc01bfd986cf99204f065c254fc6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5562",
    "kind": "arxiv",
    "version": 1
  }
}