Pith Number

pith:2EIJTTIZ

pith:2011:2EIJTTIZSKEP4X3T4FBFUOPRBT

not attested not anchored not stored refs pending

A Rejoinder on Energy versus Impact Indicators

Loet Leydesdorff, Tobias Opthof

arxiv:1108.5845 v1 · 2011-08-30 · cs.DL · 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{2EIJTTIZSKEP4X3T4FBFUOPRBT}

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	2026-05-18T04:14:28.444662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d11099cd199288fe5f73e1425a39f10cc8ae86956b3752e8c5b845f273e70433

Aliases

arxiv: 1108.5845 · arxiv_version: 1108.5845v1 · doi: 10.48550/arxiv.1108.5845 · pith_short_12: 2EIJTTIZSKEP · pith_short_16: 2EIJTTIZSKEP4X3T · pith_short_8: 2EIJTTIZ

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/2EIJTTIZSKEP4X3T4FBFUOPRBT \
  | 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: d11099cd199288fe5f73e1425a39f10cc8ae86956b3752e8c5b845f273e70433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fdac328b4968d8f27b871b9dbd178bf2c30d4dec7c9bf6e34e141f46c4b3a4",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-08-30T06:43:41Z",
    "title_canon_sha256": "79724e2632491ccf68b0f48535fe5c5ef9665f0cb3a645751209d247374a81ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5845",
    "kind": "arxiv",
    "version": 1
  }
}