Pith Number

pith:L36E6DR6

pith:2020:L36E6DR665Q65XPHS7LPHKYDW3

not attested not anchored not stored refs pending

Building blocks of closed and open string amplitudes

Federico Zerbini, Pierre Vanhove

arxiv:2007.08981 v2 · 2020-07-17 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L36E6DR665Q65XPHS7LPHKYDW3}

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.

Cited by

1 paper in Pith

From Modular Graph Forms to Iterated Integrals

Receipt and verification

First computed	2026-07-05T02:08:30.721775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5efc4f0e3ef761eedde797d6f3ab03b6f60c1c3bb5c1a4f59cadc2ba7f1ef4d6

Aliases

arxiv: 2007.08981 · arxiv_version: 2007.08981v2 · doi: 10.48550/arxiv.2007.08981 · pith_short_12: L36E6DR665Q6 · pith_short_16: L36E6DR665Q65XPH · pith_short_8: L36E6DR6

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/L36E6DR665Q65XPHS7LPHKYDW3 \
  | 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: 5efc4f0e3ef761eedde797d6f3ab03b6f60c1c3bb5c1a4f59cadc2ba7f1ef4d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f405cf4288869b5a9973403e7e5eb67a66c47d96da96055caf68c29ab127409",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-07-17T13:49:37Z",
    "title_canon_sha256": "d3e9398cc10469f8b5cd18d3ca438185b865d14b1559f0f991e86bffc4407153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.08981",
    "kind": "arxiv",
    "version": 2
  }
}