Pith Number

pith:GFG4UHEC

pith:2012:GFG4UHECZ2X4ZSD5X5YLL7F4BE

not attested not anchored not stored refs pending

Trends in condensed matter physics: is research going faster and faster?

C. Attaccalite, S. Barland

arxiv:1211.1140 v1 · 2012-11-06 · physics.soc-ph · cond-mat.other · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFG4UHECZ2X4ZSD5X5YLL7F4BE}

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	2026-05-18T03:41:22.221917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314dca1c82ceafccc87dbf70b5fcbc0900b5fe24f908290f71b1f63036e7e290

Aliases

arxiv: 1211.1140 · arxiv_version: 1211.1140v1 · doi: 10.48550/arxiv.1211.1140 · pith_short_12: GFG4UHECZ2X4 · pith_short_16: GFG4UHECZ2X4ZSD5 · pith_short_8: GFG4UHEC

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/GFG4UHECZ2X4ZSD5X5YLL7F4BE \
  | 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: 314dca1c82ceafccc87dbf70b5fcbc0900b5fe24f908290f71b1f63036e7e290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6926ccefc1f8534a4a9b26e58dafe5e3a4f3c17da5532011b9443786ac9747d",
    "cross_cats_sorted": [
      "cond-mat.other",
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-11-06T08:35:24Z",
    "title_canon_sha256": "14fe0a6a28c19e8d08479edfa60f95280c4722a7199ee93050cb49340790b2c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1140",
    "kind": "arxiv",
    "version": 1
  }
}