Pith Number

pith:PFUCL7RA

pith:2013:PFUCL7RARRPNMDUDHWTQJVKMDY

not attested not anchored not stored refs pending

The atmospheric structure and fundamental parameters of the red supergiants AH Sco, UY Sct and KW Sgr

B. Arroyo-Torres, J. M. Marcaide, M. Wittkowski, P. H Hauschildt

arxiv:1305.6179 v3 · 2013-05-27 · 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{PFUCL7RARRPNMDUDHWTQJVKMDY}

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	2026-05-18T03:21:11.459502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

796825fe208c5ed60e833da704d54c1e1f03b0b6c841453dbc7111eabe5e0f3a

Aliases

arxiv: 1305.6179 · arxiv_version: 1305.6179v3 · doi: 10.48550/arxiv.1305.6179 · pith_short_12: PFUCL7RARRPN · pith_short_16: PFUCL7RARRPNMDUD · pith_short_8: PFUCL7RA

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/PFUCL7RARRPNMDUDHWTQJVKMDY \
  | 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: 796825fe208c5ed60e833da704d54c1e1f03b0b6c841453dbc7111eabe5e0f3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4dbe2e9d68504d9f84a5a09fb2bb2d41d71f5e8a8c2ac10aed20b3c8d60953d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-27T11:17:30Z",
    "title_canon_sha256": "dbf94745bc7aeaaa8d4b80cfd5a72ada1f139055320588e17a70d4c9e54665fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6179",
    "kind": "arxiv",
    "version": 3
  }
}