Pith Number

pith:WTHBO3QV

pith:2018:WTHBO3QV6OHRUEDIFUUUY57ZWA

not attested not anchored not stored refs pending

The long-term evolution and appearance of Type Iax postgenitor stars

Jim Fuller, Josiah Schwab, Michael Zhang, Ryan Foley

arxiv:1812.08793 v2 · 2018-12-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTHBO3QV6OHRUEDIFUUUY57ZWA}

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	2026-05-17T23:52:15.079519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ce176e15f38f1a10682d294c77f9b0030bb57633d41d35e5e0732ed6693934

Aliases

arxiv: 1812.08793 · arxiv_version: 1812.08793v2 · doi: 10.48550/arxiv.1812.08793 · pith_short_12: WTHBO3QV6OHR · pith_short_16: WTHBO3QV6OHRUEDI · pith_short_8: WTHBO3QV

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/WTHBO3QV6OHRUEDIFUUUY57ZWA \
  | 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: b4ce176e15f38f1a10682d294c77f9b0030bb57633d41d35e5e0732ed6693934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ad5efbc4c2f28136ff89cf87611ea6ac035d1cf83881679b16449a6f9417e8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-20T19:00:00Z",
    "title_canon_sha256": "ac05bf3913c95e7844c8f36816eb8fd27f7b65ede7d0761c5e8ad034376a73f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08793",
    "kind": "arxiv",
    "version": 2
  }
}