Pith Number

pith:B4XS4J5O

pith:2017:B4XS4J5O5C7NZEOSALDWODTUJO

not attested not anchored not stored refs pending

Fundamental Theories and Epistemic Shifts: Can History of Science Serve as a Guide?

Helge Kragh

arxiv:1702.05648 v2 · 2017-02-18 · 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{B4XS4J5O5C7NZEOSALDWODTUJO}

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	2026-05-18T00:50:13.331165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f2f2e27aee8bedc91d202c7670e744b808867112763cef349522faf4c14e3e0

Aliases

arxiv: 1702.05648 · arxiv_version: 1702.05648v2 · doi: 10.48550/arxiv.1702.05648 · pith_short_12: B4XS4J5O5C7N · pith_short_16: B4XS4J5O5C7NZEOS · pith_short_8: B4XS4J5O

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/B4XS4J5O5C7NZEOSALDWODTUJO \
  | 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: 0f2f2e27aee8bedc91d202c7670e744b808867112763cef349522faf4c14e3e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a2813d97d981497ad3b68a862be9c2b49260441d36673a81ca14961286ede1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-02-18T20:23:08Z",
    "title_canon_sha256": "7610fd58b6340d595fcdf10b13adb75295a8ad1a0cd2e14d814978737069a8a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05648",
    "kind": "arxiv",
    "version": 2
  }
}