Pith Number

pith:SEYOQFBR

pith:2008:SEYOQFBRIYHFQY3KLXHUNEAJKU

not attested not anchored not stored refs pending

Remarks on the Origin of Path Integration: Einstein and Feynman

Tilman Sauer

arxiv:0801.1654 v1 · 2008-01-10 · 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{SEYOQFBRIYHFQY3KLXHUNEAJKU}

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	2026-05-18T00:37:06.213958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9130e81431460e58636a5dcf4690095510f014809592a00bba601bd5c2918820

Aliases

arxiv: 0801.1654 · arxiv_version: 0801.1654v1 · doi: 10.48550/arxiv.0801.1654 · pith_short_12: SEYOQFBRIYHF · pith_short_16: SEYOQFBRIYHFQY3K · pith_short_8: SEYOQFBR

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/SEYOQFBRIYHFQY3KLXHUNEAJKU \
  | 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: 9130e81431460e58636a5dcf4690095510f014809592a00bba601bd5c2918820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb9aff5694455d9558ec3c7e252c8834ac1c048f6834e2576b392ae7babf88f2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2008-01-10T19:11:21Z",
    "title_canon_sha256": "cd75ade92c0e52936682b01cfd4107616ab9a4dbdd5e51c2b544a875757b20f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1654",
    "kind": "arxiv",
    "version": 1
  }
}