Pith Number

pith:DPDXNERW

pith:2021:DPDXNERWIIEN5LZPQ3426LK6FB

not attested not anchored not stored refs pending

Star Formation in CALIFA survey perturbed galaxies. II. Star Formation Histories and Oxygen Abundances

A. C. Robleto-Or\'us, A. Morales-Vargas, D. M. Neri-Larios, F. F. Rosales-Ortega, F. J. Romero-Cruz, J. J. Trejo-Alonso, J. P. Torres-Papaqui, M. Chow-Mart\'inez, R. A. Ortega-Minakata

arxiv:2109.07731 v1 · 2021-09-16 · 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{DPDXNERWIIEN5LZPQ3426LK6FB}

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	2026-07-05T03:18:22.115939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bc77692364208deaf2f86f9af2d5e2873ed5b71adaa9439d8596a7d570496d9

Aliases

arxiv: 2109.07731 · arxiv_version: 2109.07731v1 · doi: 10.48550/arxiv.2109.07731 · pith_short_12: DPDXNERWIIEN · pith_short_16: DPDXNERWIIEN5LZP · pith_short_8: DPDXNERW

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/DPDXNERWIIEN5LZPQ3426LK6FB \
  | 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: 1bc77692364208deaf2f86f9af2d5e2873ed5b71adaa9439d8596a7d570496d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "901324f54621bedd39e302d5dda8cc046809f1c08674de7b50d99761e34fe6bd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-16T05:47:23Z",
    "title_canon_sha256": "485f1869913865d06049789f7e8a8e348d71032ede8179b64e9241d4893de6af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07731",
    "kind": "arxiv",
    "version": 1
  }
}