Pith Number

pith:FG3KV2XE

pith:2016:FG3KV2XEFWIB6AZM2PODI5HMRA

not attested not anchored not stored refs pending

FU Orionis outbursts, preferential recondensation of water ice, and the formation of giant planets

Alexander Hubbard

arxiv:1611.01538 v1 · 2016-11-04 · 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{FG3KV2XEFWIB6AZM2PODI5HMRA}

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	2026-05-18T00:54:16.296548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29b6aaeae42d901f032cd3dc3474ec8825decd5bbc16801dfb3858cab791eb85

Aliases

arxiv: 1611.01538 · arxiv_version: 1611.01538v1 · doi: 10.48550/arxiv.1611.01538 · pith_short_12: FG3KV2XEFWIB · pith_short_16: FG3KV2XEFWIB6AZM · pith_short_8: FG3KV2XE

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/FG3KV2XEFWIB6AZM2PODI5HMRA \
  | 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: 29b6aaeae42d901f032cd3dc3474ec8825decd5bbc16801dfb3858cab791eb85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb3b0f0d52bf7d6daa83bfeb238b230766abab7bacb767a9d7cad68d6c631a57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-11-04T21:06:20Z",
    "title_canon_sha256": "a91c04e6a70beec1198285bf8ac2d7b06a2ef7252d725e405c69a0a3e9609008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01538",
    "kind": "arxiv",
    "version": 1
  }
}