Pith Number

pith:4MQT44WE

pith:2013:4MQT44WERQOBEQNTZWJC6OCM2D

not attested not anchored not stored refs pending

The TANAMI Program: Southern-Hemisphere AGN on (Sub-)parsec Scales

B. Carpenter, Cornelia M\"uller, E. Ros, F. Krauss, J. Tr\"ustedt, J. Wilms, M. B\"ock, M. Dutka, M. Kadler, R. Ojha, the TANAMI collaboration

arxiv:1301.4384 v1 · 2013-01-18 · astro-ph.HE · 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{4MQT44WERQOBEQNTZWJC6OCM2D}

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	2026-05-18T03:36:05.510560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3213e72c48c1c1241b3cd922f384cd0e855cfb5cd2f98956868df568d6fe088

Aliases

arxiv: 1301.4384 · arxiv_version: 1301.4384v1 · doi: 10.48550/arxiv.1301.4384 · pith_short_12: 4MQT44WERQOB · pith_short_16: 4MQT44WERQOBEQNT · pith_short_8: 4MQT44WE

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/4MQT44WERQOBEQNTZWJC6OCM2D \
  | 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: e3213e72c48c1c1241b3cd922f384cd0e855cfb5cd2f98956868df568d6fe088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11376b878f72f78be0e681cbe067680aa9cd3eb7452da0f6662d7cb7f6148988",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-18T13:53:59Z",
    "title_canon_sha256": "411407e9107bd58589f5dc6da684157e29132048e719d77bf08e321605f252f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4384",
    "kind": "arxiv",
    "version": 1
  }
}