Pith Number

pith:MPHCFG6L

pith:2010:MPHCFG6LTWC3JYIIODWNE2GZ7M

not attested not anchored not stored refs pending

Implementation strategies for hyperspectral unmixing using Bayesian source separation

Albrecht Schmidt, Erwan Treguier, Frederic Schmidt, Mael Guiheneuf, Nicolas Dobigeon, Said Moussaoui

arxiv:1001.0499 v2 · 2010-01-04 · astro-ph.EP · 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{MPHCFG6LTWC3JYIIODWNE2GZ7M}

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	2026-05-18T04:33:15.873207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63ce229bcb9d85b4e10870ecd268d9fb1af552bdaf8041f092efe695921590a1

Aliases

arxiv: 1001.0499 · arxiv_version: 1001.0499v2 · doi: 10.48550/arxiv.1001.0499 · pith_short_12: MPHCFG6LTWC3 · pith_short_16: MPHCFG6LTWC3JYII · pith_short_8: MPHCFG6L

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/MPHCFG6LTWC3JYIIODWNE2GZ7M \
  | 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: 63ce229bcb9d85b4e10870ecd268d9fb1af552bdaf8041f092efe695921590a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e606c128280400b00d52527f65f163669ea5bc931009945455b563a3cb874023",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-01-04T12:45:48Z",
    "title_canon_sha256": "039d22e1c2cbc30153b221e43befeaa4f51ab963b5f6183999c1648679b57e52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0499",
    "kind": "arxiv",
    "version": 2
  }
}