Pith Number

pith:4WSFAI2V

pith:2019:4WSFAI2VOFYOTXRESL4GEDVJOR

not attested not anchored not stored refs pending

Elephants, goldfishes and SOUL: a dissertation on forgetfulness and control systems

Alfio Puglisi, Enrico Pinna, Fabio Rossi, Guido Agapito

arxiv:1911.05989 v1 · 2019-11-14 · 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{4WSFAI2VOFYOTXRESL4GEDVJOR}

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	2026-07-05T02:02:51.479561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a45023557170e9de2492f8620ea9745a8fec6e4fb7dbc0fcb52e12ad1222f6

Aliases

arxiv: 1911.05989 · arxiv_version: 1911.05989v1 · doi: 10.48550/arxiv.1911.05989 · pith_short_12: 4WSFAI2VOFYO · pith_short_16: 4WSFAI2VOFYOTXRE · pith_short_8: 4WSFAI2V

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/4WSFAI2VOFYOTXRESL4GEDVJOR \
  | 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: e5a45023557170e9de2492f8620ea9745a8fec6e4fb7dbc0fcb52e12ad1222f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35782c501b17b127298d4c2ff5e3d87f719628a6370569328401e42f38038966",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-14T08:31:36Z",
    "title_canon_sha256": "8863ab6812912837275e3cdfc23ccdda0ffbb7aac441cfc764bb1c23351873d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05989",
    "kind": "arxiv",
    "version": 1
  }
}