Pith Number

pith:JEHUYJWK

pith:2001:JEHUYJWKO2PCSQSFFE63I57DI3

not attested not anchored not stored refs pending

The Origin of C IV Absorption Systems at Redshifts z<1---Discovery of Extended C IV Envelopes Around Galaxies

Hsiao-Wen Chen (Carnegie Observatories), John K. Webb (University of New South Wales), Kenneth M. Lanzetta (SUNY at Stony Brook)

arxiv:astro-ph/0104403 v1 · 2001-04-25 · 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{JEHUYJWKO2PCSQSFFE63I57DI3}

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.

Cited by

1 paper in Pith

Direct Images of the Cosmic Web of Intergalactic and Circumgalactic Gas in the Distant Universe

Receipt and verification

First computed	2026-07-04T16:23:17.255762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

490f4c26ca769e294245293db477e346d7138ed15cd75403f5ec7fa24aeaa7b0

Aliases

arxiv: astro-ph/0104403 · arxiv_version: astro-ph/0104403v1 · doi: 10.48550/arxiv.astro-ph/0104403 · pith_short_12: JEHUYJWKO2PC · pith_short_16: JEHUYJWKO2PCSQSF · pith_short_8: JEHUYJWK

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/JEHUYJWKO2PCSQSFFE63I57DI3 \
  | 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: 490f4c26ca769e294245293db477e346d7138ed15cd75403f5ec7fa24aeaa7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d49ea84ac7368b69a6169f60b4b76e6a2a8211cf2655c785a962b974a042bcd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-25T00:33:39Z",
    "title_canon_sha256": "916b41e254d63c7cf9ae60fa1b640bdcafa5626a48cb31d13d6078ad150de4a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104403",
    "kind": "arxiv",
    "version": 1
  }
}