Pith Number

pith:DORIM6PM

pith:2016:DORIM6PM3JIETMVFTWRBXKHDDY

not attested not anchored not stored refs pending

Pi in the sky

Ali Frolop, Douglas Scott

arxiv:1603.09703 v2 · 2016-03-31 · 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{DORIM6PM3JIETMVFTWRBXKHDDY}

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	2026-05-18T01:14:52.301668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba28679ecda5049b2a59da21ba8e31e296af72a8b14021008d9d61ae37dbfa7

Aliases

arxiv: 1603.09703 · arxiv_version: 1603.09703v2 · doi: 10.48550/arxiv.1603.09703 · pith_short_12: DORIM6PM3JIE · pith_short_16: DORIM6PM3JIETMVF · pith_short_8: DORIM6PM

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/DORIM6PM3JIETMVFTWRBXKHDDY \
  | 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: 1ba28679ecda5049b2a59da21ba8e31e296af72a8b14021008d9d61ae37dbfa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83223b0f9073c184e7ad047dd48c8a071e11ad1b14c585216d62b95d23b43e45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-03-31T18:18:39Z",
    "title_canon_sha256": "75bc124d28417b2349d5aa87602fff4ac21221b16728f34c20323fd37b41c379"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09703",
    "kind": "arxiv",
    "version": 2
  }
}