Pith Number

pith:F6SOMS2A

pith:2011:F6SOMS2ADH4J2MEHHHD6YC6AST

not attested not anchored not stored refs pending

N II 5668-5712, a New Class of Spectral Features in Eta Carinae

Andrea Mehner, Gary J. Ferland, Kris Davidson

arxiv:1104.1829 v2 · 2011-04-11 · 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{F6SOMS2ADH4J2MEHHHD6YC6AST}

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	2026-05-18T02:02:35.776700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fa4e64b4019f89d308739c7ec0bc094f872a4acd962ffc5fa12f367f16aa4d4

Aliases

arxiv: 1104.1829 · arxiv_version: 1104.1829v2 · doi: 10.48550/arxiv.1104.1829 · pith_short_12: F6SOMS2ADH4J · pith_short_16: F6SOMS2ADH4J2MEH · pith_short_8: F6SOMS2A

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/F6SOMS2ADH4J2MEHHHD6YC6AST \
  | 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: 2fa4e64b4019f89d308739c7ec0bc094f872a4acd962ffc5fa12f367f16aa4d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa1f853b0848ca55c2fea1cd7a331d982901a0640eea9d5dfec59ebd20348751",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-11T02:06:01Z",
    "title_canon_sha256": "4f7403134aaebd1ac620028aab0991d1babdcc7cbdd21a96c64f67a4770ceb49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1829",
    "kind": "arxiv",
    "version": 2
  }
}