Pith Number

pith:NVAT7BGO

pith:2013:NVAT7BGOMRY5ZLSQHCPO2LG3AO

not attested not anchored not stored refs pending

The Closed String Tachyon and its relationship with the evolution of the Universe

Celia Escamilla-Rivera

arxiv:1301.4915 v1 · 2013-01-21 · gr-qc · 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{NVAT7BGOMRY5ZLSQHCPO2LG3AO}

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	2026-05-18T03:35:55.173124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d413f84ce6471dcae50389eed2cdb039a0dd768335b8e4ff4086e335460fa99

Aliases

arxiv: 1301.4915 · arxiv_version: 1301.4915v1 · doi: 10.48550/arxiv.1301.4915 · pith_short_12: NVAT7BGOMRY5 · pith_short_16: NVAT7BGOMRY5ZLSQ · pith_short_8: NVAT7BGO

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/NVAT7BGOMRY5ZLSQHCPO2LG3AO \
  | 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: 6d413f84ce6471dcae50389eed2cdb039a0dd768335b8e4ff4086e335460fa99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd2075deb9ea4ef79fcadfe1ca15bd6e0448dc04c80f2449a1e0a7a27c2f3e53",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-21T16:24:13Z",
    "title_canon_sha256": "b9cac10930019b5a72a7dc78ae2e6ee51cba798089628f61a0875bb384fd7656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4915",
    "kind": "arxiv",
    "version": 1
  }
}