Pith Number

pith:7YMRZ7AY

pith:2016:7YMRZ7AYDAYZYCWQFLC4XLQCUW

not attested not anchored not stored refs pending

Obliquity Variability of a Potentially Habitable Early Venus

Billy Quarles, Jack J. Lissauer, Jason W. Barnes, John Chambers, Matthew M. Hedman

arxiv:1602.00053 v1 · 2016-01-30 · 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{7YMRZ7AYDAYZYCWQFLC4XLQCUW}

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	2026-05-18T01:11:12.827018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe191cfc1818319c0ad02ac5cbae02a5a1d5406174006d09938fe3bc8a380373

Aliases

arxiv: 1602.00053 · arxiv_version: 1602.00053v1 · doi: 10.48550/arxiv.1602.00053 · pith_short_12: 7YMRZ7AYDAYZ · pith_short_16: 7YMRZ7AYDAYZYCWQ · pith_short_8: 7YMRZ7AY

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/7YMRZ7AYDAYZYCWQFLC4XLQCUW \
  | 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: fe191cfc1818319c0ad02ac5cbae02a5a1d5406174006d09938fe3bc8a380373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f21298ea0b741407d5ebd6722908a136eee3ed172afa15424784b71739bc0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-01-30T01:48:47Z",
    "title_canon_sha256": "0240648f73230b7e3c7b2aca9b7b49550d457cfae9b313f464b4035916396af9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00053",
    "kind": "arxiv",
    "version": 1
  }
}