Pith Number

pith:ETF2VU3O

pith:2020:ETF2VU3OJJHEEG6H5WG2WKCJ4F

not attested not anchored not stored refs pending

Metal enrichment in the circumgalactic medium and Ly{\alpha} haloes around quasars at z $\sim$3

Debora Sijacki, Ewald Puchwein, Jake Bennett, Kenta Matsuoka, KICC-Cambrige), Linhua Jiang (KIAA-PKU), Michele Ginolfi, Nick Henden, Oli Luiz Dors, Roberto Maiolino (KICC-Cambridge), Tohru Nagao, Yucheng Guo (KIAA-PKU

arxiv:2001.05473 v3 · 2020-01-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETF2VU3OJJHEEG6H5WG2WKCJ4F}

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	2026-07-05T01:22:39.807610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24cbaad36e4a4e421bc7ed8dab2849e175da60ee5fd857bdd9bdb7ae958c1dfb

Aliases

arxiv: 2001.05473 · arxiv_version: 2001.05473v3 · doi: 10.48550/arxiv.2001.05473 · pith_short_12: ETF2VU3OJJHE · pith_short_16: ETF2VU3OJJHEEG6H · pith_short_8: ETF2VU3O

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/ETF2VU3OJJHEEG6H5WG2WKCJ4F \
  | 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: 24cbaad36e4a4e421bc7ed8dab2849e175da60ee5fd857bdd9bdb7ae958c1dfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd47f22031d4a6aee773195c5ecc542b0d3ff797ddba015a81e38974045fea82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-15T18:38:23Z",
    "title_canon_sha256": "6900231da8e55335c42171c7a8da0f6db2dce6d7dba4ce78804fdd552eb71f39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.05473",
    "kind": "arxiv",
    "version": 3
  }
}