Pith Number

pith:Z273A4CA

pith:2008:Z273A4CAPSO6LZ6WTROZAHY33T

not attested not anchored not stored refs pending

X-raying the Intergalactic OVI Absorbers

C. R. Canizares, C. W. Danforth, H. L. Marshall, J. M. Shull, L. Song, Q. D. Wang, T. M. Tripp, Y. Yao

arxiv:0812.2020 v2 · 2008-12-10 · 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{Z273A4CAPSO6LZ6WTROZAHY33T}

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	2026-05-18T04:29:24.617029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cebfb070407c9de5e7d69c5d901f1bdccc9688eb659551f45ca86d88ee0a76b1

Aliases

arxiv: 0812.2020 · arxiv_version: 0812.2020v2 · doi: 10.48550/arxiv.0812.2020 · pith_short_12: Z273A4CAPSO6 · pith_short_16: Z273A4CAPSO6LZ6W · pith_short_8: Z273A4CA

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/Z273A4CAPSO6LZ6WTROZAHY33T \
  | 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: cebfb070407c9de5e7d69c5d901f1bdccc9688eb659551f45ca86d88ee0a76b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0366a4db4ea731721f3bd53c3d3eb69c863d8b2b2f232300d403ca90daab9ff9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-10T21:00:06Z",
    "title_canon_sha256": "f1732ed4d21f8472ba69c14c0c405fc03fd3cd1c21411adf954a550a041ed4c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2020",
    "kind": "arxiv",
    "version": 2
  }
}