Pith Number

pith:HETKM26E

pith:2013:HETKM26E6I2JBPNPBQ2CUY2ZWA

not attested not anchored not stored refs pending

The FuturICT Education Accelerator

Alistair Willis, Andras Lorincz, Anna Carbone, Carmen Costea, Chris Goldspink, Dirk Helbing, Jane Bromley, Jeffrey Johnson, Jorge Loucas Atis Kapenieks, Paul Bourgine, Paul Kelley, Pierre Collet, Robert MacKay, Ruth Deakin Crick, Sally Caird, Simon Buckingham Shum, Stephen Swithenby, Steven Bishop, Theodore Zamenopoulos, Yasmin Merali

arxiv:1304.0412 v1 · 2013-04-01 · physics.ed-ph · physics.soc-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{HETKM26E6I2JBPNPBQ2CUY2ZWA}

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	2026-05-18T03:29:16.996595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3926a66bc4f23490bdaf0c342a6359b004dfb6fecb94ef6fc381046eba2642f3

Aliases

arxiv: 1304.0412 · arxiv_version: 1304.0412v1 · doi: 10.48550/arxiv.1304.0412 · pith_short_12: HETKM26E6I2J · pith_short_16: HETKM26E6I2JBPNP · pith_short_8: HETKM26E

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/HETKM26E6I2JBPNPBQ2CUY2ZWA \
  | 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: 3926a66bc4f23490bdaf0c342a6359b004dfb6fecb94ef6fc381046eba2642f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf9b7481a1a68fd93a73269a0fd1ad53973d7276e9f57179fbf9b12e51d55c4f",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-04-01T18:39:32Z",
    "title_canon_sha256": "e5ff5d23a581c2dcb661799e10a3fdeae2699fdb798f2d91bcde292684bf8773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0412",
    "kind": "arxiv",
    "version": 1
  }
}