Pith Number

pith:4AI4XX7F

pith:2006:4AI4XX7FTQX2VOYWRWIJLR3Z3N

not attested not anchored not stored refs pending

On the Incidence of Strong MgII Absorbers Along GRB Sightlines

(2) U Chicago, (3) UC Berkeley, (4) Observatoire de Geneve, (5) Universidad de Chile, (6) IoA, (7) Harvard), A. K. Dupree (7), G.E. Prochter (1), H.-W. Chen (2), J. S. Bloom (3), J.X. Prochaska (1), M. Dessauges-Zavadsky (4), M. Pettini (6), P. Guhathakurta (1) ((1) UCO/Lick Observatory, R. J. Foley (3), S. Lopez (5)

arxiv:astro-ph/0605075 v2 · 2006-05-02 · 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{4AI4XX7FTQX2VOYWRWIJLR3Z3N}

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	2026-05-18T04:29:04.736283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e011cbdfe59c2faabb168d9095c779db5d1dbdb064274ba3960cc006c9e668f6

Aliases

arxiv: astro-ph/0605075 · arxiv_version: astro-ph/0605075v2 · doi: 10.48550/arxiv.astro-ph/0605075 · pith_short_12: 4AI4XX7FTQX2 · pith_short_16: 4AI4XX7FTQX2VOYW · pith_short_8: 4AI4XX7F

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/4AI4XX7FTQX2VOYWRWIJLR3Z3N \
  | 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: e011cbdfe59c2faabb168d9095c779db5d1dbdb064274ba3960cc006c9e668f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16af960dbd5995bd95d527d386d7fe0f8cb92b9ee6a6d47c4e01913c8ca6c4af",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-02T20:40:27Z",
    "title_canon_sha256": "a005b024ffaa9c5ec8a42aaefd42236c12b37c79f44aa9f498881f311dedebbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605075",
    "kind": "arxiv",
    "version": 2
  }
}