Pith Number

pith:JDB2J6GR

pith:2009:JDB2J6GRIWEX3JQGDRTSNQTVBT

not attested not anchored not stored refs pending

Constraining the orbital orientation of Eta Carinae from H Paschen lines

D. Falceta-Goncalves, Z. Abraham

arxiv:0907.1616 v1 · 2009-07-09 · 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{JDB2J6GRIWEX3JQGDRTSNQTVBT}

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	2026-05-18T02:13:04.199363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48c3a4f8d145897da6061c6726c2750ce6743b13ae535ee4f9303761ace304b0

Aliases

arxiv: 0907.1616 · arxiv_version: 0907.1616v1 · doi: 10.48550/arxiv.0907.1616 · pith_short_12: JDB2J6GRIWEX · pith_short_16: JDB2J6GRIWEX3JQG · pith_short_8: JDB2J6GR

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/JDB2J6GRIWEX3JQGDRTSNQTVBT \
  | 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: 48c3a4f8d145897da6061c6726c2750ce6743b13ae535ee4f9303761ace304b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0ef69d570714514789b92f0eed2eb1d5bdd890805fabf30736ebdd7bfd0ae07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-09T16:59:07Z",
    "title_canon_sha256": "8db4b5ec0ba3fcbd7cd6547a10d25260c4aa7e364b21e24161ba4f8550de88db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1616",
    "kind": "arxiv",
    "version": 1
  }
}