Pith Number

pith:YQ3MUQ6D

pith:2019:YQ3MUQ6DLJVTJQUXBYEAXE7BUP

not attested not anchored not stored refs pending

Synergy between professional and amateur astronomers

M. Skarka, P. Kab\'ath

arxiv:1906.02936 v1 · 2019-06-07 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQ3MUQ6DLJVTJQUXBYEAXE7BUP}

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	2026-05-17T23:43:55.637234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c436ca43c35a6b34c2970e080b93e1a3e3991cbdcc5d1e61772ac11305bb39bd

Aliases

arxiv: 1906.02936 · arxiv_version: 1906.02936v1 · doi: 10.48550/arxiv.1906.02936 · pith_short_12: YQ3MUQ6DLJVT · pith_short_16: YQ3MUQ6DLJVTJQUX · pith_short_8: YQ3MUQ6D

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/YQ3MUQ6DLJVTJQUXBYEAXE7BUP \
  | 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: c436ca43c35a6b34c2970e080b93e1a3e3991cbdcc5d1e61772ac11305bb39bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8adae2d16651a3637ea79d904b38261e214cf21c7732971c07d3bcdf67066bcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-07T07:37:07Z",
    "title_canon_sha256": "2ccdea1ecf3123b2c904248cd7c9f998e51d95a2ce12b194b7851ff2115c4b04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02936",
    "kind": "arxiv",
    "version": 1
  }
}