Pith Number

pith:2I4VYZGU

pith:1993:2I4VYZGU2PQIV3NOL3MRM7HD2O

not attested not anchored not stored refs pending

Topology changing processes and symmetries of string effective action

Jnanadeva Maharana, S. Pratik Khastgir

arxiv:hep-th/9302069 v1 · 1993-02-14 · 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{2I4VYZGU2PQIV3NOL3MRM7HD2O}

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	2026-07-04T15:55:55.796308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2395c64d4d3e08aedae5ed9167ce3d39bc5abdb601d741204198e1208d809bd

Aliases

arxiv: hep-th/9302069 · arxiv_version: hep-th/9302069v1 · doi: 10.48550/arxiv.hep-th/9302069 · pith_short_12: 2I4VYZGU2PQI · pith_short_16: 2I4VYZGU2PQIV3NO · pith_short_8: 2I4VYZGU

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/2I4VYZGU2PQIV3NOL3MRM7HD2O \
  | 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: d2395c64d4d3e08aedae5ed9167ce3d39bc5abdb601d741204198e1208d809bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fe630b289622d25027cd16c37748da155c03b372467bd0fae743fc365cece0b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-02-14T22:08:23Z",
    "title_canon_sha256": "f0de1c2c5687a0325ba1f4deaaa218e6f9f91d364d67937d4e4248366d5788b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9302069",
    "kind": "arxiv",
    "version": 1
  }
}