Pith Number

pith:Q4U7ONHP

pith:2013:Q4U7ONHP4TBZACENORBURGTAX6

not attested not anchored not stored refs pending

Echoes of multiple outbursts of Sagittarius A* revealed by Chandra

2), 2) ((1) APC - Paris, (2) CEA - Saclay, (3) UCLA, (4) MPE - Garching), A. Goldwurm (1, G. Ponti (4), G. Trap (1, Ma\"ica Clavel (1, M. R. Morris (3), R. Terrier (1), S. Soldi (1)

arxiv:1307.3954 v1 · 2013-07-15 · 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{Q4U7ONHP4TBZACENORBURGTAX6}

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	2026-05-18T01:48:50.139228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8729f734efe4c390088d7443489a60bf8813a582c68b332a76b79abb02490fe8

Aliases

arxiv: 1307.3954 · arxiv_version: 1307.3954v1 · doi: 10.48550/arxiv.1307.3954 · pith_short_12: Q4U7ONHP4TBZ · pith_short_16: Q4U7ONHP4TBZACEN · pith_short_8: Q4U7ONHP

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/Q4U7ONHP4TBZACENORBURGTAX6 \
  | 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: 8729f734efe4c390088d7443489a60bf8813a582c68b332a76b79abb02490fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a191ed2fa696543c2d081691bce7ae330103e0ea7b3cb75dce3342f8e386544",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-15T14:12:17Z",
    "title_canon_sha256": "a8def61f017aa92144abaf63717e9f89d72a433fae2815c034bfbdda641c5036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3954",
    "kind": "arxiv",
    "version": 1
  }
}