Pith Number

pith:KWAHS7KK

pith:2003:KWAHS7KK4RNE357UBYFPL2HXGG

not attested not anchored not stored refs pending

Metallicity of the intergalactic medium using pixel statistics: III. Silicon

Anthony Aguirre, Joop Schaye, Michael Rauch, Tae-Sun Kim, Tom Theuns, Wallace L. W. Sargent

arxiv:astro-ph/0310664 v2 · 2003-10-22 · 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{KWAHS7KK4RNE357UBYFPL2HXGG}

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	2026-07-04T16:37:36.061976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5580797d4ae45a4df7f40e0af5e8f731bc9b877bfed6b95287c0ee23bc35fc33

Aliases

arxiv: astro-ph/0310664 · arxiv_version: astro-ph/0310664v2 · doi: 10.48550/arxiv.astro-ph/0310664 · pith_short_12: KWAHS7KK4RNE · pith_short_16: KWAHS7KK4RNE357U · pith_short_8: KWAHS7KK

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/KWAHS7KK4RNE357UBYFPL2HXGG \
  | 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: 5580797d4ae45a4df7f40e0af5e8f731bc9b877bfed6b95287c0ee23bc35fc33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3c0081d704f6dd7aeb4d39f7cf4e95401956e06aec96f6b4cc1818e61d04aa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-22T20:16:54Z",
    "title_canon_sha256": "f4a05ac41fa2ef76625fd04def32f136758af08b627daa3d3f8ac8f61072eefa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310664",
    "kind": "arxiv",
    "version": 2
  }
}