Pith Number

pith:7QYSM5S5

pith:2013:7QYSM5S5OPLWUV3GF2CWJFGFPZ

not attested not anchored not stored refs pending

Is the black hole in NGC1277 really over-massive?

Eric Emsellem (ESO)

arxiv:1305.3630 v1 · 2013-05-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QYSM5S5OPLWUV3GF2CWJFGFPZ}

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.

Cited by

2 papers in Pith

The Impact of Non-Gaussian Line Spread Functions on Stellar Kinematic Recovery: Consequences for Dynamical Models

A New Record Census of Dwarf AGN and a Bimodal $M_{\rm BH}$-$M_{\star}$ Scaling Relation with DESI DR1

Receipt and verification

First computed	2026-05-18T01:49:56.704447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc3126765d73d76a57662e856494c57e65f6493d80aa99206f67893701e62181

Aliases

arxiv: 1305.3630 · arxiv_version: 1305.3630v1 · doi: 10.48550/arxiv.1305.3630 · pith_short_12: 7QYSM5S5OPLW · pith_short_16: 7QYSM5S5OPLWUV3G · pith_short_8: 7QYSM5S5

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/7QYSM5S5OPLWUV3GF2CWJFGFPZ \
  | 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: fc3126765d73d76a57662e856494c57e65f6493d80aa99206f67893701e62181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d1729b3643bd2acad5aaa87238d12d2a806799ba20e2a0c8eecd634438e07c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-15T20:34:33Z",
    "title_canon_sha256": "554ec2b1a3550b3d60a85b3380e6e8c00f26c4b99df871c603cba0564a61d3b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3630",
    "kind": "arxiv",
    "version": 1
  }
}