Pith Number

pith:A2UFNAYC

pith:2012:A2UFNAYCGR772L4RBFBOOS4BT2

not attested not anchored not stored refs pending

Estimating masses of Keplerian disk systems: the case of AGN in NGC 4258

Edward Malec, Michal Pirog, Patryk Mach

arxiv:1210.8036 v1 · 2012-10-30 · astro-ph.HE · astro-ph.GA · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2UFNAYCGR772L4RBFBOOS4BT2}

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	2026-05-18T03:41:43.458240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06a8568302347ffd2f910942e74b819ea3f7aaed2cdd41d118676c099a1ae993

Aliases

arxiv: 1210.8036 · arxiv_version: 1210.8036v1 · doi: 10.48550/arxiv.1210.8036 · pith_short_12: A2UFNAYCGR77 · pith_short_16: A2UFNAYCGR772L4R · pith_short_8: A2UFNAYC

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/A2UFNAYCGR772L4RBFBOOS4BT2 \
  | 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: 06a8568302347ffd2f910942e74b819ea3f7aaed2cdd41d118676c099a1ae993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75443cc0663803be7ef5e15937302a022567b49e2a2338a037d35cfd24d86ac6",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-30T14:58:34Z",
    "title_canon_sha256": "4579bedefc29e77942aa3598e7257d73a7e94820316bd5f7eff82ca15def53b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8036",
    "kind": "arxiv",
    "version": 1
  }
}