Pith Number

pith:42LB7DJ5

pith:2011:42LB7DJ5ZN7JF3YEJB6VUPSW6I

not attested not anchored not stored refs pending

The SPIRE Photometer Interactive Analysis Package SPIA

Bernhard Schulz

arxiv:1101.1284 v1 · 2011-01-06 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42LB7DJ5ZN7JF3YEJB6VUPSW6I}

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	2026-05-18T02:23:00.437593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6961f8d3dcb7e92ef04487d5a3e56f2149f3041b713d61eb758029dc69c77ed

Aliases

arxiv: 1101.1284 · arxiv_version: 1101.1284v1 · doi: 10.48550/arxiv.1101.1284 · pith_short_12: 42LB7DJ5ZN7J · pith_short_16: 42LB7DJ5ZN7JF3YE · pith_short_8: 42LB7DJ5

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/42LB7DJ5ZN7JF3YEJB6VUPSW6I \
  | 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: e6961f8d3dcb7e92ef04487d5a3e56f2149f3041b713d61eb758029dc69c77ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2401160ef8b57e1b1850273240b14fecf67cc4d30b155875c816642606a3ad9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-01-06T20:10:48Z",
    "title_canon_sha256": "681eb3be508c04034be7ec3e3b1297cbc33dc28803e40db617daca2b2f1cc637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1284",
    "kind": "arxiv",
    "version": 1
  }
}