Pith Number

pith:3TKVJWAA

pith:2012:3TKVJWAAIR4OBEL7JZSW3FAT3N

not attested not anchored not stored refs pending

The VMC Survey - VI. Quasars behind the Magellanic system

B. K. Gibson, B. Miszalski, D. Kamath, J.P. Emerson, J.Th. van Loon, M.A.T. Groenewegen, M.-R.L. Cioni, P.R. Wood, S. Rubele, V.D. Ivanov, V. Ripepi

arxiv:1207.2492 v2 · 2012-07-10 · 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{3TKVJWAAIR4OBEL7JZSW3FAT3N}

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	2026-05-18T01:56:25.622447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcd554d8004478e0917f4e656d9413db533c2ec1b6763977bb2af58ceb96520c

Aliases

arxiv: 1207.2492 · arxiv_version: 1207.2492v2 · doi: 10.48550/arxiv.1207.2492 · pith_short_12: 3TKVJWAAIR4O · pith_short_16: 3TKVJWAAIR4OBEL7 · pith_short_8: 3TKVJWAA

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/3TKVJWAAIR4OBEL7JZSW3FAT3N \
  | 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: dcd554d8004478e0917f4e656d9413db533c2ec1b6763977bb2af58ceb96520c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b39f16a59e6736e89344344f41cc7821e6815a0b9053835fe4f819a3cafbff5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-10T21:20:12Z",
    "title_canon_sha256": "c0a8b16d86c188c64c123f4a9915e9346b8e5e521cdc5835278120bb45160624"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2492",
    "kind": "arxiv",
    "version": 2
  }
}