pith. sign in
Pith Number

pith:UTNS5JFK

pith:2013:UTNS5JFKYV6WM7BP6SAQE3AJAO
not attested not anchored not stored refs pending

Activity on a Li-rich giant: DI Psc revisited

Katalin Ol\'ah, Kriszti\'an Vida, Levente Kriskovics, Zsolt K\H{o}v\'ari

arxiv:1310.4786 v1 · 2013-10-15 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UTNS5JFKYV6WM7BP6SAQE3AJAO}

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 2026-05-18T01:46:58.327725Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a4db2ea4aac57d667c2ff481026c0903b1f8f3fabb4759f290ff949662592d2c

Aliases

arxiv: 1310.4786 · arxiv_version: 1310.4786v1 · doi: 10.48550/arxiv.1310.4786 · pith_short_12: UTNS5JFKYV6W · pith_short_16: UTNS5JFKYV6WM7BP · pith_short_8: UTNS5JFK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UTNS5JFKYV6WM7BP6SAQE3AJAO \
  | 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: a4db2ea4aac57d667c2ff481026c0903b1f8f3fabb4759f290ff949662592d2c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "84ffb2336ad8b2e81cc41323063c03d53f095a0fe761a2ef7a96a814f7097b22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-15T12:15:40Z",
    "title_canon_sha256": "2eef367abb86139679bdabf2587163b3ff82a7f1dbca3df805a888227e2f35bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4786",
    "kind": "arxiv",
    "version": 1
  }
}