Pith Number

pith:QAHQJ2UF

pith:2012:QAHQJ2UF6MXT2BOJFCTSOXIFET

not attested not anchored not stored refs pending

Statistical Basis for Predicting Technological Progress

Bela Nagy, J. Doyne Farmer, Jessika E. Trancik, Quan M. Bui

arxiv:1207.1463 v1 · 2012-07-05 · physics.soc-ph · q-fin.GN · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QAHQJ2UF6MXT2BOJFCTSOXIFET}

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	2026-05-18T01:56:34.102268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

800f04ea85f32f3d05c928a7275d0524d6e5a145a45452f3476401add1d1ba33

Aliases

arxiv: 1207.1463 · arxiv_version: 1207.1463v1 · doi: 10.48550/arxiv.1207.1463 · pith_short_12: QAHQJ2UF6MXT · pith_short_16: QAHQJ2UF6MXT2BOJ · pith_short_8: QAHQJ2UF

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/QAHQJ2UF6MXT2BOJFCTSOXIFET \
  | 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: 800f04ea85f32f3d05c928a7275d0524d6e5a145a45452f3476401add1d1ba33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09064e0e77d83a0df8cdae4f397ca71b6b34c0b57e3f39d21b048894e4c4fc03",
    "cross_cats_sorted": [
      "q-fin.GN",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-07-05T21:12:19Z",
    "title_canon_sha256": "ae42a1d85ee6659b9cf778c8ab1ef1ae3c9da9fb4fa4fd593f3e9daf03b9b0d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1463",
    "kind": "arxiv",
    "version": 1
  }
}