Pith Number

pith:C252J5S2

pith:2015:C252J5S26GVAFEXTCJYPEANFJ2

not attested not anchored not stored refs pending

Parsec scale polarization properties of the TeV blazar Markarian 421

A.P. Marscher, B.G. Piner, C. Casadio, D. Paneque, F. D'Ammando, J.L. Gomez, K.V. Sokolovsky, L. Fuhrmann, M.G. Blasi, M. Giroletti, M. Kino, M. Orienti, P.G. Edwards, R. Lico, S. Jorstad, T.P. Krichbaum, W. Cotton, Y.Y. Kovalev

arxiv:1504.02014 v1 · 2015-04-08 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C252J5S26GVAFEXTCJYPEANFJ2}

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	2026-05-18T02:19:17.462230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16bba4f65af1aa0292f31270f201a54e8d4817df063b1ecb9c29c9a3c9db7903

Aliases

arxiv: 1504.02014 · arxiv_version: 1504.02014v1 · doi: 10.48550/arxiv.1504.02014 · pith_short_12: C252J5S26GVA · pith_short_16: C252J5S26GVAFEXT · pith_short_8: C252J5S2

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/C252J5S26GVAFEXTCJYPEANFJ2 \
  | 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: 16bba4f65af1aa0292f31270f201a54e8d4817df063b1ecb9c29c9a3c9db7903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b92c810889bf089ddeec107072377b7a4b4729ab3a4f88f89680f24b15e4e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-04-08T15:53:56Z",
    "title_canon_sha256": "3160bd7d282080cf30d4e88330ece678bf84e613564495079e8d2ac0d1d8b117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02014",
    "kind": "arxiv",
    "version": 1
  }
}