Pith Number

pith:IUZK4NI4

pith:2013:IUZK4NI4NMH36NH5ZELB2AU563

not attested not anchored not stored refs pending

Characterization of the optical and X-ray properties of the northwestern wisps in the Crab Nebula

Allyn Tennant, Kari Nilsson, Martin Weisskopf, Niccolo Bucciantini, Roberta Zanin, Thomas Schweizer, Wojciech Idec

arxiv:1301.1321 v2 · 2013-01-07 · 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{IUZK4NI4NMH36NH5ZELB2AU563}

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	2026-05-18T01:52:20.915071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4532ae351c6b0fbf34fdc9161d029df6c7e20deb931ce34dd50fa9552bb2a976

Aliases

arxiv: 1301.1321 · arxiv_version: 1301.1321v2 · doi: 10.48550/arxiv.1301.1321 · pith_short_12: IUZK4NI4NMH3 · pith_short_16: IUZK4NI4NMH36NH5 · pith_short_8: IUZK4NI4

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/IUZK4NI4NMH36NH5ZELB2AU563 \
  | 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: 4532ae351c6b0fbf34fdc9161d029df6c7e20deb931ce34dd50fa9552bb2a976

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cea7b46a9fb253e5c53b38488437a8d6ceeb45c0cb4fe98a7af875a12f0ccf3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-07T20:01:00Z",
    "title_canon_sha256": "2707c45e9e3609d4c804487e8f7dc12a31af072d424518e8293148541e068946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1321",
    "kind": "arxiv",
    "version": 2
  }
}