Pith Number

pith:DRAD4TBS

pith:2019:DRAD4TBSTW32HJOX4GH7IUBYDN

not attested not anchored not stored refs pending

INAF Trieste Astronomical Observatory Information Technology Framework

A. Ragagnin, C. Vuerli, D. Goz, F. Gasparo, G. Maggio, G. Taffoni, L. Tornatore, M. Molinaro, S. Bertocco

arxiv:1912.05340 v1 · 2019-12-11 · 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{DRAD4TBSTW32HJOX4GH7IUBYDN}

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	2026-07-05T00:25:34.668967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c403e4c329db7a3a5d7e18ff450381b5799aefa196c255ba8973565bb6572f7

Aliases

arxiv: 1912.05340 · arxiv_version: 1912.05340v1 · doi: 10.48550/arxiv.1912.05340 · pith_short_12: DRAD4TBSTW32 · pith_short_16: DRAD4TBSTW32HJOX · pith_short_8: DRAD4TBS

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/DRAD4TBSTW32HJOX4GH7IUBYDN \
  | 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: 1c403e4c329db7a3a5d7e18ff450381b5799aefa196c255ba8973565bb6572f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f4a13d4cb16a8191c480603d5433321ba5cad6f8d083018537c9ae7e1eaafc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-12-11T14:21:49Z",
    "title_canon_sha256": "bf62c423710b7895f5076ffce51be0a553441cb65acc812628fc55fa3009b571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05340",
    "kind": "arxiv",
    "version": 1
  }
}