pith. sign in
Pith Number

pith:LDOOWDI5

pith:2011:LDOOWDI54Z3GCSC6F4G37NXITO
not attested not anchored not stored refs pending

Astronomy Librarians - Quo Vadis?

Jill Lagerstrom, Uta Grothkopf

arxiv:1104.1184 v1 · 2011-04-06 · astro-ph.IM · cs.DL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LDOOWDI54Z3GCSC6F4G37NXITO}

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 2026-05-18T01:22:03.666989Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

58dceb0d1de67661485e2f0dbfb6e89b82fe9d16abc933a86164189408229df0

Aliases

arxiv: 1104.1184 · arxiv_version: 1104.1184v1 · doi: 10.48550/arxiv.1104.1184 · pith_short_12: LDOOWDI54Z3G · pith_short_16: LDOOWDI54Z3GCSC6 · pith_short_8: LDOOWDI5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LDOOWDI54Z3GCSC6F4G37NXITO \
  | 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: 58dceb0d1de67661485e2f0dbfb6e89b82fe9d16abc933a86164189408229df0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0a66bb39f134b0b71a0cbb74fb7a6fcf803ef42d9bab66fae888bc73e725a663",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-04-06T20:16:37Z",
    "title_canon_sha256": "716f93ac67481dfb32d1100070b385a7374ef71aff0b474f86d6b71ddeb2d1d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1184",
    "kind": "arxiv",
    "version": 1
  }
}