Pith Number

pith:UN6QL3DN

pith:2018:UN6QL3DNSBXDYH3TLVRZM3GSW7

not attested not anchored not stored refs pending

Evolution of H$_2$O Production in Comet C/2012 S1 (ISON) as Inferred from Forbidden Oxygen and OH Emission

Adam J. McKay, Anita L. Cochran, Harold Weaver, Hideyo Kawakita, Michael A. DiSanti, Neil Dello Russo, Ronald J. Vervack Jr., Walter M. Harris

arxiv:1802.06116 v1 · 2018-02-16 · 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	2026-05-18T00:21:19.618668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a37d05ec6d906e3c1f735d63966cd2b7ea551936228a2bf0878960ecf8172792

Aliases

arxiv: 1802.06116 · arxiv_version: 1802.06116v1 · doi: 10.48550/arxiv.1802.06116 · pith_short_12: UN6QL3DNSBXD · pith_short_16: UN6QL3DNSBXDYH3T · pith_short_8: UN6QL3DN

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/UN6QL3DNSBXDYH3TLVRZM3GSW7 \
  | 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: a37d05ec6d906e3c1f735d63966cd2b7ea551936228a2bf0878960ecf8172792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb04d9eb5c9470fc7d240d0a6f3113d6a611dfeb85ea1b662997965208be31a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-16T20:47:07Z",
    "title_canon_sha256": "fcc52a84567aca141d483bdb09faaee584dc6df735a52fe0c675f077babd189c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06116",
    "kind": "arxiv",
    "version": 1
  }
}