Pith Number

pith:DVNC6I4U

pith:2018:DVNC6I4U43LJYKJNBNEEWOIHMS

not attested not anchored not stored refs pending

Is there a polarization horizon?

A. S. Hill

arxiv:1810.12008 v2 · 2018-10-29 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVNC6I4U43LJYKJNBNEEWOIHMS}

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	2026-05-17T23:59:27.699311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d5a2f2394e6d69c292d0b484b3907648c76579d64af3b4c5ae3ee359a126de5

Aliases

arxiv: 1810.12008 · arxiv_version: 1810.12008v2 · doi: 10.48550/arxiv.1810.12008 · pith_short_12: DVNC6I4U43LJ · pith_short_16: DVNC6I4U43LJYKJN · pith_short_8: DVNC6I4U

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/DVNC6I4U43LJYKJNBNEEWOIHMS \
  | 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: 1d5a2f2394e6d69c292d0b484b3907648c76579d64af3b4c5ae3ee359a126de5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd9943baae025bb85b4f0477dcf84fce75fa7de5b9b888dae418b6a0ea579338",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-29T09:09:31Z",
    "title_canon_sha256": "6e968146c1a103e937dd1ede0d8461101c5eef26def0ed644c417e7152b9950a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12008",
    "kind": "arxiv",
    "version": 2
  }
}