Pith Number

pith:2G6PPFGH

pith:2012:2G6PPFGHLVRHJD4ZTUTFR5UUOV

not attested not anchored not stored refs pending

H$\alpha$ spectral monitoring of epsilon Aurigae 2009-2011 eclipse

A. Lopez, B. Mauclaire, C. Buil, R. Leadbeater, T. Garrel

arxiv:1207.0795 v3 · 2012-07-03 · 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{2G6PPFGHLVRHJD4ZTUTFR5UUOV}

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	2026-05-18T00:35:14.292402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1bcf794c75d62748f999d2658f694756085e525cb6b46b6dbcbd41c157c62c8

Aliases

arxiv: 1207.0795 · arxiv_version: 1207.0795v3 · doi: 10.48550/arxiv.1207.0795 · pith_short_12: 2G6PPFGHLVRH · pith_short_16: 2G6PPFGHLVRHJD4Z · pith_short_8: 2G6PPFGH

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/2G6PPFGHLVRHJD4ZTUTFR5UUOV \
  | 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: d1bcf794c75d62748f999d2658f694756085e525cb6b46b6dbcbd41c157c62c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5bd0f9a85876c4cb2ae068213f740355eeaf0e63b597a7150c5fae34a78f994",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-03T19:26:33Z",
    "title_canon_sha256": "c8af8d2e070c6a6f21ef2fd5dbd6a5b1bcb0f4345bc25f37813e2c194a7ba068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0795",
    "kind": "arxiv",
    "version": 3
  }
}