Pith Number

pith:WMHWE37B

pith:2020:WMHWE37BCA4YUBDOXIUO7OAJG5

not attested not anchored not stored refs pending

Probing the circum-stellar medium 2.8 Gyr after the Big Bang: detection of Bowen fluorescence in the Sunburst arc

A. Mercurio, A. Pastorello, C. Grillo, E. Sani, E. Vanzella, F. Calura, G.B. Brammer, G.B. Caminha, G. Cupani, H. Hartman, M. Castellano, M. Meneghetti, M. Nonino, P. Rosati, S. Cristiani, V. D'Odorico

arxiv:2004.08400 v2 · 2020-04-17 · 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{WMHWE37BCA4YUBDOXIUO7OAJG5}

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	2026-07-05T01:40:26.596063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b30f626fe110398a046eba28efb809375832374a5d4e60bf054d44d7eecd3488

Aliases

arxiv: 2004.08400 · arxiv_version: 2004.08400v2 · doi: 10.48550/arxiv.2004.08400 · pith_short_12: WMHWE37BCA4Y · pith_short_16: WMHWE37BCA4YUBDO · pith_short_8: WMHWE37B

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/WMHWE37BCA4YUBDOXIUO7OAJG5 \
  | 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: b30f626fe110398a046eba28efb809375832374a5d4e60bf054d44d7eecd3488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2075104a944e20f1b845275e9e994d760c3a4babb02b8bc6298daad3fd5dd7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-17T18:00:07Z",
    "title_canon_sha256": "3f7525ff369e6beae5dcc7a16d032c149141fa10b1171da547bacb6915b2bb09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08400",
    "kind": "arxiv",
    "version": 2
  }
}