Pith Number

pith:KOPSHQUZ

pith:2017:KOPSHQUZD2B5B5RMFRGPFRSNCK

not attested not anchored not stored refs pending

Post main sequence evolution of icy minor planets II: water retention and white dwarf pollution around massive progenitor stars

Hagai B. Perets, Uri Malamud

arxiv:1704.01165 v2 · 2017-04-04 · 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{KOPSHQUZD2B5B5RMFRGPFRSNCK}

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	2026-05-18T00:41:35.958351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

539f23c2991e83d0f62c2c4cf2c64d1298bebe4249dfb85bc1d528214a8f186a

Aliases

arxiv: 1704.01165 · arxiv_version: 1704.01165v2 · doi: 10.48550/arxiv.1704.01165 · pith_short_12: KOPSHQUZD2B5 · pith_short_16: KOPSHQUZD2B5B5RM · pith_short_8: KOPSHQUZ

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/KOPSHQUZD2B5B5RMFRGPFRSNCK \
  | 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: 539f23c2991e83d0f62c2c4cf2c64d1298bebe4249dfb85bc1d528214a8f186a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "518d6078ed0dcd34c1eaa6a3d127e2090a081e7a7a0dd007db0a66463b33fa00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-04-04T20:00:16Z",
    "title_canon_sha256": "78818ca650f7c921377c03a687c3dbaa9eb3e078abc4d6b2206b12ae763bb04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01165",
    "kind": "arxiv",
    "version": 2
  }
}