Pith Number

pith:DTJSJ3NC

pith:2010:DTJSJ3NC2E5DD422OVVZLOOLOM

not attested not anchored not stored refs pending

The Murmur of The Hidden Monster: Chandra's Decadal View of The Super-massive Black Hole in M31

Christine Jones, Dharam V. Lal (CfA), Michael R. Garcia, Q. Daniel Wang (UMass), Ralph P. Kraft, Stephen S. Murray (CfA/JHU), William R. Forman, Zhiyuan Li

arxiv:1011.1224 v2 · 2010-11-04 · 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{DTJSJ3NC2E5DD422OVVZLOOLOM}

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	2026-05-18T02:04:52.771793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cd324eda2d13a31f35a756b95b9cb732012cc03e4717ef916c0630baf602577

Aliases

arxiv: 1011.1224 · arxiv_version: 1011.1224v2 · doi: 10.48550/arxiv.1011.1224 · pith_short_12: DTJSJ3NC2E5D · pith_short_16: DTJSJ3NC2E5DD422 · pith_short_8: DTJSJ3NC

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/DTJSJ3NC2E5DD422OVVZLOOLOM \
  | 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: 1cd324eda2d13a31f35a756b95b9cb732012cc03e4717ef916c0630baf602577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52174fee6181539a2c83c14dfb1975923ed12d06c2b8ebbc0a516489eebe5f41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-11-04T17:54:51Z",
    "title_canon_sha256": "b058121617f6545cbedf83670f76c0a86712f741c3a7557aed7995ffe0bb3ec7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1224",
    "kind": "arxiv",
    "version": 2
  }
}