Pith Number

pith:VSMM3MZM

pith:2016:VSMM3MZML3FRJRXIDQV7QSPZTD

not attested not anchored not stored refs pending

Observations of the Quadrantid meteor shower from 2008 to 2012: orbits and emission spectra

Alberto J. Castro-Tirado, Diego Rodr\'iguez, Francisco Espartero, Jos\'e A. de los Reyes, Jos\'e M. Madiedo, Josep M. Trigo-Rodr\'iguez, Pep Pujols, Sensi Pastor

arxiv:1604.06902 v1 · 2016-04-23 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSMM3MZML3FRJRXIDQV7QSPZTD}

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	2026-05-18T01:13:11.035639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac98cdb32c5ecb14c6e81c2bf849f998dbb27a1ba27c2bb67db7f6ea9c9fdf88

Aliases

arxiv: 1604.06902 · arxiv_version: 1604.06902v1 · doi: 10.48550/arxiv.1604.06902 · pith_short_12: VSMM3MZML3FR · pith_short_16: VSMM3MZML3FRJRXI · pith_short_8: VSMM3MZM

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/VSMM3MZML3FRJRXIDQV7QSPZTD \
  | 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: ac98cdb32c5ecb14c6e81c2bf849f998dbb27a1ba27c2bb67db7f6ea9c9fdf88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83321c614cca2900d8a9f3f1e91f940166f34fc4339d39f969cdc936453c1443",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-04-23T13:21:21Z",
    "title_canon_sha256": "7d099c98805d33f74a833477e1a95bdf28ee211036732df74b71a9ae1ac277a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06902",
    "kind": "arxiv",
    "version": 1
  }
}