Pith Number

pith:WA5RR4UW

pith:2012:WA5RR4UWT357YQ3AHNUNTEV4F7

not attested not anchored not stored refs pending

Eta Carinae -- Physics of the Inner Ejecta

Fred Hamann

arxiv:1212.3348 v1 · 2012-12-13 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WA5RR4UWT357YQ3AHNUNTEV4F7}

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	2026-05-18T01:52:38.461800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b03b18f2969efbfc43603b68d992bc2feb382d45a34c4e6d5b9b36a7aa26dfca

Aliases

arxiv: 1212.3348 · arxiv_version: 1212.3348v1 · doi: 10.48550/arxiv.1212.3348 · pith_short_12: WA5RR4UWT357 · pith_short_16: WA5RR4UWT357YQ3A · pith_short_8: WA5RR4UW

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/WA5RR4UWT357YQ3AHNUNTEV4F7 \
  | 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: b03b18f2969efbfc43603b68d992bc2feb382d45a34c4e6d5b9b36a7aa26dfca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49724e479133c082800af593959afabc2b4606cd2fc413437ba9e1be6c1f86b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-12-13T21:42:37Z",
    "title_canon_sha256": "3aef88cf6606aac69ac1bc7889392e88f1fba0943dd604caa55caf411188bec7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3348",
    "kind": "arxiv",
    "version": 1
  }
}