Pith Number

pith:3ZQEFL62

pith:2011:3ZQEFL62MM3L3A46WHU3DIQR7N

not attested not anchored not stored refs pending

The Sky is for Everyone - Outreach and Educaction with the Virtual Observatory

Florian Freistetter, Giulia Iafrate, Massimo Ramella (and the AIDA-WP5 Team)

arxiv:1101.3061 v1 · 2011-01-16 · astro-ph.IM · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZQEFL62MM3L3A46WHU3DIQR7N}

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	2026-05-18T02:22:52.224413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de6042afda6336bd839eb1e9b1a211fb411d6bce81e5a7c12b492d306b7228e6

Aliases

arxiv: 1101.3061 · arxiv_version: 1101.3061v1 · doi: 10.48550/arxiv.1101.3061 · pith_short_12: 3ZQEFL62MM3L · pith_short_16: 3ZQEFL62MM3L3A46 · pith_short_8: 3ZQEFL62

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/3ZQEFL62MM3L3A46WHU3DIQR7N \
  | 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: de6042afda6336bd839eb1e9b1a211fb411d6bce81e5a7c12b492d306b7228e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c05141c30aacad89e0621bd430a2f6106960dd8ab12099ac957366ddec1040d",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-01-16T10:54:26Z",
    "title_canon_sha256": "8d203ee6700fac15d4ed9c681e57fb63409c63d56ccbe8ab71bff9196cc556e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3061",
    "kind": "arxiv",
    "version": 1
  }
}