Pith Number

pith:YG36BUHF

pith:2011:YG36BUHFNAR4LTVEAIYOEKTEQI

not attested not anchored not stored refs pending

Quantitative Spectroscopy of Blue Supergiant Stars in the Disk of M81: Metallicity, Metallicity Gradient and Distance

2, 3), (3) University Observatory Munich), F. Bresolin, G. Pietrzynski ((1) Institute for Astronomy, M. A. Urbaneja, N. Przybilla, R.-P. Kudritzki (1, UH (2) Max-Planck Institute for Astrophysics, W. Gieren, Z. Gazak

arxiv:1112.3643 v2 · 2011-12-15 · astro-ph.CO · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YG36BUHFNAR4LTVEAIYOEKTEQI}

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

Neutron star-companion interaction in core collapse supernovae. Population synthesis based on detailed binary evolution models

Receipt and verification

First computed	2026-05-18T01:59:09.044425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b7e0d0e56823c5cea40230e22a648235921d0d98011da4b8a3c04132e8fad7

Aliases

arxiv: 1112.3643 · arxiv_version: 1112.3643v2 · doi: 10.48550/arxiv.1112.3643 · pith_short_12: YG36BUHFNAR4 · pith_short_16: YG36BUHFNAR4LTVE · pith_short_8: YG36BUHF

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/YG36BUHFNAR4LTVEAIYOEKTEQI \
  | 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: c1b7e0d0e56823c5cea40230e22a648235921d0d98011da4b8a3c04132e8fad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a787009c8f485dd3103660a5e81ab68d30933c68f19fa0d1ddd58009b7c0de04",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-15T20:35:11Z",
    "title_canon_sha256": "9e22429d7b2e73063607cd1035112c8e7930c6a02d4cb0a18ce8161c0b71b8ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3643",
    "kind": "arxiv",
    "version": 2
  }
}