Pith Number

pith:AQJHS725

pith:2019:AQJHS725IHF7RGSHDOPAKTTVYN

not attested not anchored not stored refs pending

Proximate Molecular Quasar Absorbers: Excess of damped H2 systems at zabs~zQSO in SDSS DR14

C. Ledoux, H. Fathivavsari, J.-K. Krogager, P. Noterdaeme, P. Petitjean, R. Srianand, S. Balashev

arxiv:1905.02040 v1 · 2019-05-06 · 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{AQJHS725IHF7RGSHDOPAKTTVYN}

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	2026-05-17T23:41:42.198930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0412797f5d41cbf89a471b9e054e75c3694621854699fc4cd45e4e26b148cef4

Aliases

arxiv: 1905.02040 · arxiv_version: 1905.02040v1 · doi: 10.48550/arxiv.1905.02040 · pith_short_12: AQJHS725IHF7 · pith_short_16: AQJHS725IHF7RGSH · pith_short_8: AQJHS725

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/AQJHS725IHF7RGSHDOPAKTTVYN \
  | 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: 0412797f5d41cbf89a471b9e054e75c3694621854699fc4cd45e4e26b148cef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47b56d50dc6861514d666a3c873f914a263b27affb7271747845e978637f7ada",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-06T13:37:20Z",
    "title_canon_sha256": "c1c6cd1bdff823fafa7216e96010d686756af7f4e6836d0130b1fc376010679c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02040",
    "kind": "arxiv",
    "version": 1
  }
}