Pith Number

pith:D3N2BLWG

pith:2011:D3N2BLWGODU54TNHPRV7KN6LOD

not attested not anchored not stored refs pending

Variation of the extinction law in the Trifid nebula

D. J. Marshall, J. Rho, L. Cambr\'esy, W. T. Reach

arxiv:1101.1089 v1 · 2011-01-05 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3N2BLWGODU54TNHPRV7KN6LOD}

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	2026-05-18T02:04:12.632378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1edba0aec670e9de4da77c6bf537cb70d5a7e8db9c6346297bc69bb157ade98f

Aliases

arxiv: 1101.1089 · arxiv_version: 1101.1089v1 · doi: 10.48550/arxiv.1101.1089 · pith_short_12: D3N2BLWGODU5 · pith_short_16: D3N2BLWGODU54TNH · pith_short_8: D3N2BLWG

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/D3N2BLWGODU54TNHPRV7KN6LOD \
  | 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: 1edba0aec670e9de4da77c6bf537cb70d5a7e8db9c6346297bc69bb157ade98f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12ed6522bb5d949b2a680abe5c65bff96d86b02db61ce31e0a4b3bb69ae5fc86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-01-05T21:00:06Z",
    "title_canon_sha256": "3ae7fdcb7185cc7804a70a377e4d82fedd9c8e9b1efbcda5a120e80cebf01932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1089",
    "kind": "arxiv",
    "version": 1
  }
}