Pith Number

pith:FMQEWUON

pith:2014:FMQEWUON4X5KH6FA4WBAM5B2LX

not attested not anchored not stored refs pending

Comments on Observables for Identity-Based Marginal Solutions in Berkovits' Superstring Field Theory

Isao Kishimoto, Tomohiko Takahashi

arxiv:1404.4427 v1 · 2014-04-17 · 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{FMQEWUON4X5KH6FA4WBAM5B2LX}

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	2026-05-18T01:43:29.098389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b204b51cde5faa3f8a0e58206743a5ddaf1b46b5c768b1241d85ac8f5339a73

Aliases

arxiv: 1404.4427 · arxiv_version: 1404.4427v1 · doi: 10.48550/arxiv.1404.4427 · pith_short_12: FMQEWUON4X5K · pith_short_16: FMQEWUON4X5KH6FA · pith_short_8: FMQEWUON

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/FMQEWUON4X5KH6FA4WBAM5B2LX \
  | 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: 2b204b51cde5faa3f8a0e58206743a5ddaf1b46b5c768b1241d85ac8f5339a73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f88bafab959df097700695c23efdacf4abbb87ab4156164f9ca0d9424e014da6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-04-17T06:16:52Z",
    "title_canon_sha256": "66c59e791eba0fc10f4da4f134e5761d887e1df1cd2aa263ebb00338aaded32e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4427",
    "kind": "arxiv",
    "version": 1
  }
}