Pith Number

pith:MMTJ63P4

pith:2015:MMTJ63P4VZFKM5DMZEF3JRJZF7

not attested not anchored not stored refs pending

The overmassive black hole in NGC 1277: new constraints from molecular gas kinematics

F. Combes, J. Scharw\"achter, M. Krips, M. Sun, P. Salom\'e

arxiv:1507.02292 v3 · 2015-07-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMTJ63P4VZFKM5DMZEF3JRJZF7}

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	2026-05-18T01:19:12.040945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63269f6dfcae4aa6746cc90bb4c5392fef4b78424441f6ab73fe274e35a8fbc2

Aliases

arxiv: 1507.02292 · arxiv_version: 1507.02292v3 · doi: 10.48550/arxiv.1507.02292 · pith_short_12: MMTJ63P4VZFK · pith_short_16: MMTJ63P4VZFKM5DM · pith_short_8: MMTJ63P4

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/MMTJ63P4VZFKM5DMZEF3JRJZF7 \
  | 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: 63269f6dfcae4aa6746cc90bb4c5392fef4b78424441f6ab73fe274e35a8fbc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55a705c1936eb0a4c5ef75d61e11f1b19c2d9ac98154af24605f3aea98fab8bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-08T20:01:29Z",
    "title_canon_sha256": "f89c852e758089f5ce5454a45b6f669e81934a6db14864fd590ce5400a0613c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02292",
    "kind": "arxiv",
    "version": 3
  }
}