Pith Number

pith:VL2IY5MA

pith:2015:VL2IY5MAHJUD7ELMRKAMEG4HNX

not attested not anchored not stored refs pending

Color Systematics of Comets and Related Bodies

Dave Jewitt

arxiv:1510.07069 v1 · 2015-10-23 · 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{VL2IY5MAHJUD7ELMRKAMEG4HNX}

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	2026-05-18T01:23:54.874088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaf48c75803a683f916c8a80c21b876df1ebf78df68ea5259e383fb986fb9c08

Aliases

arxiv: 1510.07069 · arxiv_version: 1510.07069v1 · doi: 10.48550/arxiv.1510.07069 · pith_short_12: VL2IY5MAHJUD · pith_short_16: VL2IY5MAHJUD7ELM · pith_short_8: VL2IY5MA

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/VL2IY5MAHJUD7ELMRKAMEG4HNX \
  | 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: aaf48c75803a683f916c8a80c21b876df1ebf78df68ea5259e383fb986fb9c08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68f813ccf363115333b13321246bd44f0b78df4790ff15df35e2b8b4a63cd76a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-10-23T21:22:35Z",
    "title_canon_sha256": "5c9bd33542c821ef4bf047ca8766ffa71f2b47d64d010e84dec7bbc8e2755b52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07069",
    "kind": "arxiv",
    "version": 1
  }
}