Pith Number

pith:TGAKLW3U

pith:2012:TGAKLW3UBR7MUGQ2CRXLSEEHV3

not attested not anchored not stored refs pending

Nitrogen chronology of massive main sequence stars

A. de Koter, I. Brott, K. K\"ohler, M. Borzyszkowski, N. Langer

arxiv:1206.4146 v1 · 2012-06-19 · 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{TGAKLW3UBR7MUGQ2CRXLSEEHV3}

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	2026-05-18T01:56:51.046703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9980a5db740c7eca1a1a146eb91087aef4cb24afdf5187a3c5a4b6e83887e61e

Aliases

arxiv: 1206.4146 · arxiv_version: 1206.4146v1 · doi: 10.48550/arxiv.1206.4146 · pith_short_12: TGAKLW3UBR7M · pith_short_16: TGAKLW3UBR7MUGQ2 · pith_short_8: TGAKLW3U

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/TGAKLW3UBR7MUGQ2CRXLSEEHV3 \
  | 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: 9980a5db740c7eca1a1a146eb91087aef4cb24afdf5187a3c5a4b6e83887e61e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ece7cd96d4d7b4baeee6054e68a7c87a040df0cf3afe0c4a0ba15e61f49ec287",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-19T08:30:12Z",
    "title_canon_sha256": "fc02065245aeeaa7cc402d8431fa76fb9a446898cb0b9c867276537950c4b067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4146",
    "kind": "arxiv",
    "version": 1
  }
}