Pith Number

pith:QS25TGQZ

pith:2015:QS25TGQZ4WUW2UHGUHLC7KEW5S

not attested not anchored not stored refs pending

The scientific construction of the world

Luigi Foschini

arxiv:1507.04142 v1 · 2015-07-15 · physics.hist-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{QS25TGQZ4WUW2UHGUHLC7KEW5S}

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	2026-05-18T01:36:49.018403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b5d99a19e5a96d50e6a1d62fa896ec833c327e6a63e0ddf8e994258a938668

Aliases

arxiv: 1507.04142 · arxiv_version: 1507.04142v1 · doi: 10.48550/arxiv.1507.04142 · pith_short_12: QS25TGQZ4WUW · pith_short_16: QS25TGQZ4WUW2UHG · pith_short_8: QS25TGQZ

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/QS25TGQZ4WUW2UHGUHLC7KEW5S \
  | 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: 84b5d99a19e5a96d50e6a1d62fa896ec833c327e6a63e0ddf8e994258a938668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be7a9c2e3726d7859c8fced3ac7e93dac4eeaff1e710185b6bcbe2114e916aa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-07-15T09:48:21Z",
    "title_canon_sha256": "7f332b6281e3f709a9e13aaac19be2c6d11dcd18bf6a7b0c3bfd8f049774c299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04142",
    "kind": "arxiv",
    "version": 1
  }
}