Pith Number

pith:XZ2OXAOZ

pith:2014:XZ2OXAOZTKRULQVOL2AMB4EGXL

not attested not anchored not stored refs pending

A 3D Kinematic Study of the Northern Ejecta "Jet" of the Crab Nebula

Christine S. Black, Robert A. Fesen

arxiv:1412.3122 v2 · 2014-12-09 · 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{XZ2OXAOZTKRULQVOL2AMB4EGXL}

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	2026-05-18T01:41:20.261982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be74eb81d99aa345c2ae5e80c0f086bade9b6194791b82ef59c87ff5f1b5d72f

Aliases

arxiv: 1412.3122 · arxiv_version: 1412.3122v2 · doi: 10.48550/arxiv.1412.3122 · pith_short_12: XZ2OXAOZTKRU · pith_short_16: XZ2OXAOZTKRULQVO · pith_short_8: XZ2OXAOZ

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/XZ2OXAOZTKRULQVOL2AMB4EGXL \
  | 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: be74eb81d99aa345c2ae5e80c0f086bade9b6194791b82ef59c87ff5f1b5d72f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f487727b4b1bd03513060850f7e9d290e49bb1c6a9c37bcee2e4579ab670aa1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-12-09T21:26:54Z",
    "title_canon_sha256": "ab4574991ac21aa9f9b3164129b607347fed3b3af1d7f70b5c6f07d24d68bc1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3122",
    "kind": "arxiv",
    "version": 2
  }
}