Pith Number

pith:I7DOCVDD

pith:2016:I7DOCVDD2NTZJ2FRLLRFM3IYDC

not attested not anchored not stored refs pending

Separating the Universe into the Real and Fake

Chi-Ting Chiang, Marilena Loverde, Wayne Hu, Yin Li

arxiv:1605.01412 v1 · 2016-05-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7DOCVDD2NTZJ2FRLLRFM3IYDC}

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	2026-05-18T01:11:11.825774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47c6e15463d36794e8b15ae2566d1818a01a0d37abf0c24f688cc620ff06cef3

Aliases

arxiv: 1605.01412 · arxiv_version: 1605.01412v1 · doi: 10.48550/arxiv.1605.01412 · pith_short_12: I7DOCVDD2NTZ · pith_short_16: I7DOCVDD2NTZJ2FR · pith_short_8: I7DOCVDD

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/I7DOCVDD2NTZJ2FRLLRFM3IYDC \
  | 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: 47c6e15463d36794e8b15ae2566d1818a01a0d37abf0c24f688cc620ff06cef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61714e88a53df2380a347c99a7e120dbb44d760a25fbe863c2914fc1486905bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-05-04T20:00:10Z",
    "title_canon_sha256": "0c959ad643243b30ccb51745ad56b09966439a11bcdcabdc7d8be6108b4257b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01412",
    "kind": "arxiv",
    "version": 1
  }
}