Pith Number

pith:53APJQM7

pith:2018:53APJQM7TFXLL3RFR6DVJIAFG4

not attested not anchored not stored refs pending

Classical Open String Amplitudes and Boundary String Field Theory

Christoph Chiaffrino, Ivo Sachs

arxiv:1805.07084 v2 · 2018-05-18 · 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{53APJQM7TFXLL3RFR6DVJIAFG4}

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	2026-05-17T23:39:58.600373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eec0f4c19f996eb5ee258f8754a0053737f8246cecf078f2681e5cee72f9f2d2

Aliases

arxiv: 1805.07084 · arxiv_version: 1805.07084v2 · doi: 10.48550/arxiv.1805.07084 · pith_short_12: 53APJQM7TFXL · pith_short_16: 53APJQM7TFXLL3RF · pith_short_8: 53APJQM7

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/53APJQM7TFXLL3RFR6DVJIAFG4 \
  | 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: eec0f4c19f996eb5ee258f8754a0053737f8246cecf078f2681e5cee72f9f2d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa6b8a5c3e57bdce6976023fd2edb4ab13a7d3a8334b5492f67df015f8dfb90b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-05-18T07:57:40Z",
    "title_canon_sha256": "72a186ff5c45326f12f48d66ca55a4b41d6b7701b79e715dbde40c875b31eafa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07084",
    "kind": "arxiv",
    "version": 2
  }
}