Pith Number

pith:BJGQ3RKP

pith:2019:BJGQ3RKPWINK35ZEL7WV5DFRER

not attested not anchored not stored refs pending

Latest advances in the abundance discrepancy problem in photoionized nebulae

2), 2) ((1) IAC, (2) U. La Laguna, (3) University College London, (4) ESO, 5), (5) GTC, C. Esteban (1, D. Jones (1, Garching, Germany, H. M. J. Boffin (4), J. Garc\'ia-Rojas (1, La Palma, P. Rodr\'iguez-Gil (1, R. L. M. Corradi (1, R. Wesson (3), Spain, Spain), UK

arxiv:1904.06763 v1 · 2019-04-14 · astro-ph.SR · 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{BJGQ3RKPWINK35ZEL7WV5DFRER}

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	2026-05-17T23:48:36.288833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a4d0dc54fb21aadf7245fed5e8cb12447aeb574893e7a657e01f67d5d972e5a

Aliases

arxiv: 1904.06763 · arxiv_version: 1904.06763v1 · doi: 10.48550/arxiv.1904.06763 · pith_short_12: BJGQ3RKPWINK · pith_short_16: BJGQ3RKPWINK35ZE · pith_short_8: BJGQ3RKP

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/BJGQ3RKPWINK35ZEL7WV5DFRER \
  | 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: 0a4d0dc54fb21aadf7245fed5e8cb12447aeb574893e7a657e01f67d5d972e5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c24cc8ba9d688738ff02ef3ae9602a1c656663de5c8665c83b635f3188140013",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-14T21:27:21Z",
    "title_canon_sha256": "457480d446500f3d78441d0030d3f2e01a7c3474b8c2604b05b8e71851cfde47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06763",
    "kind": "arxiv",
    "version": 1
  }
}