Pith Number

pith:YWPR2RZT

pith:2006:YWPR2RZTBC3K3YGFZASECNTKOV

not attested not anchored not stored refs pending

The weak absorbing outflow in AGN Mrk 279: evidence of super-solar metal abundances

Dale L. Fields, & Fabrizio Nicastro, Rik Williams, Smita Mathur, Yair Krongold

arxiv:astro-ph/0611578 v2 · 2006-11-17 · 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{YWPR2RZTBC3K3YGFZASECNTKOV}

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	2026-05-18T04:29:15.231430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c59f1d473308b6ade0c5c82441366a756c92dd54a2a8680058cc2fc9009583be

Aliases

arxiv: astro-ph/0611578 · arxiv_version: astro-ph/0611578v2 · doi: 10.48550/arxiv.astro-ph/0611578 · pith_short_12: YWPR2RZTBC3K · pith_short_16: YWPR2RZTBC3K3YGF · pith_short_8: YWPR2RZT

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/YWPR2RZTBC3K3YGFZASECNTKOV \
  | 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: c59f1d473308b6ade0c5c82441366a756c92dd54a2a8680058cc2fc9009583be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90b7f0dfc2cc798c854f8d49e19f8481876ec6c7d22e1a20073c87698ae071bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-17T20:28:42Z",
    "title_canon_sha256": "e92d4684c1a636df90b0022f9c13fcf9f410f87be17dd9865fdcbe228f9ddecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611578",
    "kind": "arxiv",
    "version": 2
  }
}