Pith Number

pith:NEBYE7WK

pith:2011:NEBYE7WKVUTQ2JOSU56IKQWRXL

not attested not anchored not stored refs pending

The long-term spectroscopic misadventures of AG Dra with a nod toward V407 Cyg: Degenerates behaving badly

2), (2) Dip. di Fisica, (3) Dept. of Physics, 4) ((1) Dip. di Fisica "Enrico Fermi", (4) NASA Goddard Space Flight Center), Catholic University of America, G. M. Wahlgren (3, K. Genovali (1, S. N. Shore (1), Univ. di Pisa/INFN-Pisa, Univ. di Roma "Tor Vergata"

arxiv:1109.5397 v1 · 2011-09-25 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEBYE7WKVUTQ2JOSU56IKQWRXL}

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	2026-05-18T00:21:15.291250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6903827ecaad270d25d2a77c8542d1bacdb31cdb53066b2d6fea4754fb952831

Aliases

arxiv: 1109.5397 · arxiv_version: 1109.5397v1 · doi: 10.48550/arxiv.1109.5397 · pith_short_12: NEBYE7WKVUTQ · pith_short_16: NEBYE7WKVUTQ2JOS · pith_short_8: NEBYE7WK

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/NEBYE7WKVUTQ2JOSU56IKQWRXL \
  | 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: 6903827ecaad270d25d2a77c8542d1bacdb31cdb53066b2d6fea4754fb952831

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "670bcd608461b7955d95c35923615d9fb67af5b457c504c45f7d9dcddf61f04a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-25T20:50:34Z",
    "title_canon_sha256": "0be5fb9c29957ae46f18592e897b371276323fa069177143b5210a92c7c66927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5397",
    "kind": "arxiv",
    "version": 1
  }
}