Pith Number

pith:N27REV72

pith:2013:N27REV72PRX7YH3LVDTTYB5EYH

not attested not anchored not stored refs pending

A z=3.045 Lyman alpha emitting halo hosting a QSO and a possible candidate for AGN-triggered star-formation

George D. Becker, Jean-Rene Gauthier, Martin G. Haehnelt, Michael Rauch, Robert F. Carswell

arxiv:1302.2623 v1 · 2013-02-11 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N27REV72PRX7YH3LVDTTYB5EYH}

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	2026-05-18T01:51:42.509546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ebf1257fa7c6ffc1f6ba8e73c07a4c1c7e2b942684212db630f76e135aef090

Aliases

arxiv: 1302.2623 · arxiv_version: 1302.2623v1 · doi: 10.48550/arxiv.1302.2623 · pith_short_12: N27REV72PRX7 · pith_short_16: N27REV72PRX7YH3L · pith_short_8: N27REV72

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/N27REV72PRX7YH3LVDTTYB5EYH \
  | 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: 6ebf1257fa7c6ffc1f6ba8e73c07a4c1c7e2b942684212db630f76e135aef090

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ef7f4752f981ff90f948e2e5f5ba8719adc95b2cf3023e9ee357bfe3b45aaad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-11T21:00:02Z",
    "title_canon_sha256": "42831c22fd3ffb1063cfe8928133cafcee206d5c943d5be7b0ada58519920956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2623",
    "kind": "arxiv",
    "version": 1
  }
}