Pith Number

pith:CFJQDIQH

pith:2016:CFJQDIQHP6V7UUWLL7QRWS36TV

not attested not anchored not stored refs pending

On the Habitability of Universes without Stable Deuterium

Evan Grohs, Fred C. Adams

arxiv:1612.04741 v2 · 2016-12-14 · 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{CFJQDIQHP6V7UUWLL7QRWS36TV}

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	2026-05-18T00:45:44.032182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

115301a2077fabfa52cb5fe11b4b7e9d47350a6c0cb28b07f890b7b9b7bb5a68

Aliases

arxiv: 1612.04741 · arxiv_version: 1612.04741v2 · doi: 10.48550/arxiv.1612.04741 · pith_short_12: CFJQDIQHP6V7 · pith_short_16: CFJQDIQHP6V7UUWL · pith_short_8: CFJQDIQH

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/CFJQDIQHP6V7UUWLL7QRWS36TV \
  | 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: 115301a2077fabfa52cb5fe11b4b7e9d47350a6c0cb28b07f890b7b9b7bb5a68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bda37c71a91718b80bf654366fe6942412468d7a85384188bbf384123cda8022",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-12-14T17:29:28Z",
    "title_canon_sha256": "293cba419e6d9adbb25a1b16fa6d2f77c87e7daeeed11fdf67d3c387da3bc8fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04741",
    "kind": "arxiv",
    "version": 2
  }
}