Pith Number

pith:XOO2NQXI

pith:2015:XOO2NQXIF3VBAMN3MDJ2WS2NHU

not attested not anchored not stored refs pending

The first full orbit of Eta Carinae seen by Fermi

A. Reimer, H. Takahashi, K. Reitberger, O. Reimer

arxiv:1503.07637 v1 · 2015-03-26 · 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{XOO2NQXIF3VBAMN3MDJ2WS2NHU}

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	2026-05-18T02:14:16.531708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb9da6c2e82eea1031bb60d3ab4b4d3d3d757d54d05864e0834542bf56ab841d

Aliases

arxiv: 1503.07637 · arxiv_version: 1503.07637v1 · doi: 10.48550/arxiv.1503.07637 · pith_short_12: XOO2NQXIF3VB · pith_short_16: XOO2NQXIF3VBAMN3 · pith_short_8: XOO2NQXI

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/XOO2NQXIF3VBAMN3MDJ2WS2NHU \
  | 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: bb9da6c2e82eea1031bb60d3ab4b4d3d3d757d54d05864e0834542bf56ab841d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e4c788af23990588fdf09384a26f1a9827838cb6acacd93d62a09b1768858a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-26T07:14:52Z",
    "title_canon_sha256": "35a88df5ede9f08aa696a4be3ba880456bccb4e2917bee4fa05713218f9abfe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07637",
    "kind": "arxiv",
    "version": 1
  }
}