Pith Number

pith:2QER3EF4

pith:2021:2QER3EF4NWP57AOCBZFIM4B4JY

not attested not anchored not stored refs pending

Gradients of chemical abundances in the Milky Way from HII regions: distances derived from Gaia EDR3 parallaxes and temperature inhomogeneities

A. Amayo, C. Esteban, G. Delgado-Inglada, J. E. M\'endez-Delgado, J. Garc\'ia-Rojas, K. Z. Arellano-C\'ordova, L. Carigi

arxiv:2112.12600 v1 · 2021-12-23 · 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{2QER3EF4NWP57AOCBZFIM4B4JY}

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.

Cited by

1 paper in Pith

Constraints on the properties of warm ionized gas from low-frequency hydrogen radio recombination lines

Receipt and verification

First computed	2026-07-05T03:47:29.113334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4091d90bc6d9fdf81c20e4a86703c4e33df1f18b8e76cbab9a4b3801b58b775

Aliases

arxiv: 2112.12600 · arxiv_version: 2112.12600v1 · doi: 10.48550/arxiv.2112.12600 · pith_short_12: 2QER3EF4NWP5 · pith_short_16: 2QER3EF4NWP57AOC · pith_short_8: 2QER3EF4

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/2QER3EF4NWP57AOCBZFIM4B4JY \
  | 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: d4091d90bc6d9fdf81c20e4a86703c4e33df1f18b8e76cbab9a4b3801b58b775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ac46d817b1da0ca3fbd47c99040116c2dca842237e31fb111261e5963774e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-23T14:44:57Z",
    "title_canon_sha256": "c25c15c1d3f72b403f6da3d4f79f6e4ce0c9ea89b23bb10b3dd3c722346c95c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.12600",
    "kind": "arxiv",
    "version": 1
  }
}