Pith Number

pith:7H3HAQW6

pith:2018:7H3HAQW6ZADGT2W3G6HNIB2777

not attested not anchored not stored refs pending

The case for biophysics super-groups in physics departments

Bart W. Hoogenboom, Mark C. Leake

arxiv:1804.09562 v1 · 2018-04-24 · physics.ed-ph · physics.bio-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{7H3HAQW6ZADGT2W3G6HNIB2777}

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	2026-05-18T00:09:25.046658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9f67042dec80669eadb378ed4075ffffdb27419cebb4e5abbd27075d511749a

Aliases

arxiv: 1804.09562 · arxiv_version: 1804.09562v1 · doi: 10.48550/arxiv.1804.09562 · pith_short_12: 7H3HAQW6ZADG · pith_short_16: 7H3HAQW6ZADGT2W3 · pith_short_8: 7H3HAQW6

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/7H3HAQW6ZADGT2W3G6HNIB2777 \
  | 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: f9f67042dec80669eadb378ed4075ffffdb27419cebb4e5abbd27075d511749a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5238f4f9df5270f1fc23a26d297c7c6c8f07a1f9a42078ef5fee86fbf06445d",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-04-24T16:13:58Z",
    "title_canon_sha256": "bd1f992f5c2e1e61bda4e37b949a0f25ad504030350a1ffc1ab6b0d0e9b4a9c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09562",
    "kind": "arxiv",
    "version": 1
  }
}