Pith Number

pith:M74LRW6P

pith:2005:M74LRW6PI2NW4EMM7LZ52NVM2R

not attested not anchored not stored refs pending

Observations of Chemically Enriched QSO Absorbers near z ~ 2.3 Galaxies: Galaxy-Formation Feedback Signatures in the IGM

George D. Becker, Michael Rauch, Robert A. Simcoe, Wallace L. W. Sargent

arxiv:astro-ph/0508116 v1 · 2005-08-03 · 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{M74LRW6PI2NW4EMM7LZ52NVM2R}

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	2026-07-04T17:14:58.491132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67f8b8dbcf469b6e118cfaf3dd36acd44d8ea26ebd56a03ee42af6729c1c12fa

Aliases

arxiv: astro-ph/0508116 · arxiv_version: astro-ph/0508116v1 · doi: 10.48550/arxiv.astro-ph/0508116 · pith_short_12: M74LRW6PI2NW · pith_short_16: M74LRW6PI2NW4EMM · pith_short_8: M74LRW6P

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/M74LRW6PI2NW4EMM7LZ52NVM2R \
  | 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: 67f8b8dbcf469b6e118cfaf3dd36acd44d8ea26ebd56a03ee42af6729c1c12fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd102eebb69891b7509cafbc51f00b798cad1717ece71f3f8443ddcb5f46269e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-03T20:15:32Z",
    "title_canon_sha256": "7b3da620ab592dfb3dbc10da3f187688ed29bcfd42dc1cc06471a3a4b63aaf4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508116",
    "kind": "arxiv",
    "version": 1
  }
}