Pith Number

pith:HF27COER

pith:2017:HF27COER2E2CECXS3MRRFRBNLM

not attested not anchored not stored refs pending

Origin and Evolution of Short-Period Comets

A. Morbidelli, D. Nesvorny, D. Vokrouhlicky, H. F. Levison, L. Dones, N. Kaib

arxiv:1706.07447 v1 · 2017-06-22 · astro-ph.EP

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

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	2026-05-18T00:37:18.260417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3975f13891d134220af2db2312c42d5b2b4564defb42bf37bcd3942480afa6af

Aliases

arxiv: 1706.07447 · arxiv_version: 1706.07447v1 · doi: 10.48550/arxiv.1706.07447 · pith_short_12: HF27COER2E2C · pith_short_16: HF27COER2E2CECXS · pith_short_8: HF27COER

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/HF27COER2E2CECXS3MRRFRBNLM \
  | 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: 3975f13891d134220af2db2312c42d5b2b4564defb42bf37bcd3942480afa6af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd5506dfb01c0af96b25cdd453386d24bb7e5637f67960cc14ecb9472e75de70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-06-22T18:11:58Z",
    "title_canon_sha256": "2b5043128bcbd16ab1dbd59666768583bc81a164fe6920b015351cae3c40a6aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07447",
    "kind": "arxiv",
    "version": 1
  }
}