Pith Number

pith:USH7PFQX

pith:2011:USH7PFQXHLBSO5II344EV5CYLB

not attested not anchored not stored refs pending

Three Point Tree Level Amplitude in Superstring Theory

Ehsan Hatefi

arxiv:1102.5042 v1 · 2011-02-24 · 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{USH7PFQXHLBSO5II344EV5CYLB}

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	2026-05-18T04:17:02.690026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a48ff796173ac3277508df384af458584478d75a6359213be02f86e9fe99135d

Aliases

arxiv: 1102.5042 · arxiv_version: 1102.5042v1 · doi: 10.48550/arxiv.1102.5042 · pith_short_12: USH7PFQXHLBS · pith_short_16: USH7PFQXHLBSO5II · pith_short_8: USH7PFQX

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/USH7PFQXHLBSO5II344EV5CYLB \
  | 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: a48ff796173ac3277508df384af458584478d75a6359213be02f86e9fe99135d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd042c46da2e2e46a715c550f3a68202c8332ad63e0596903614c26e224a32b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-02-24T17:25:10Z",
    "title_canon_sha256": "917b24f5525875c314caf6de12b9bdaa1e2f41f3620f1d552756c44b17ce7c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5042",
    "kind": "arxiv",
    "version": 1
  }
}