Pith Number

pith:GG5AZWLU

pith:2008:GG5AZWLUGGVNEKDSQNMWTHGETM

not attested not anchored not stored refs pending

Variable Intrinsic Absorption in Mrk 279

2), (2) Towson U., (3) U. Colorado, 4), (4) VA Tech, 5), (5) Creighton U., (6) STScI, 7), (7) JHU, (8) SRON, (9) Western Michigan U.), Elisa Costantini (8), Gerard A. Kriss (6, Jack R. Gabel (3, Jelle S. Kaastra (8), Jennifer E. Scott (1, Jessica Kim Quijano (6), Kirk Korista (9) ((1) NASA/GSFC, Nahum Arav (3

arxiv:0812.0506 v1 · 2008-12-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GG5AZWLUGGVNEKDSQNMWTHGETM}

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	2026-05-18T04:29:24.766577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31ba0cd97431aad228728359699cc49b07cacc3e3e7a01ad517c2466a242b597

Aliases

arxiv: 0812.0506 · arxiv_version: 0812.0506v1 · doi: 10.48550/arxiv.0812.0506 · pith_short_12: GG5AZWLUGGVN · pith_short_16: GG5AZWLUGGVNEKDS · pith_short_8: GG5AZWLU

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/GG5AZWLUGGVNEKDSQNMWTHGETM \
  | 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: 31ba0cd97431aad228728359699cc49b07cacc3e3e7a01ad517c2466a242b597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "692b7d8dc5efaa66d9be2b561bb0de0621aba7acc87b09eb588591ffc100ac0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-02T13:50:24Z",
    "title_canon_sha256": "0a402c31ab0766098eafac0626a7534e0ad337766f821a7aada647d1dcf28eeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0506",
    "kind": "arxiv",
    "version": 1
  }
}