Pith Number

pith:ENHUYTZG

pith:2001:ENHUYTZGJBH4RJSDREA5V3FZ2I

not attested not anchored not stored refs pending

Disc Instantons in Linear Sigma Models

Suresh Govindarajan (IITM), Tapobrata Sarkar (TIFR), T. Jayaraman (IMSc)

arxiv:hep-th/0108234 v2 · 2001-08-31 · 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{ENHUYTZGJBH4RJSDREA5V3FZ2I}

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	2026-05-18T04:17:36.598162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

234f4c4f26484fc8a6438901daecb9d2331628c4c71197f739b8ec2c83b79fce

Aliases

arxiv: hep-th/0108234 · arxiv_version: hep-th/0108234v2 · doi: 10.48550/arxiv.hep-th/0108234 · pith_short_12: ENHUYTZGJBH4 · pith_short_16: ENHUYTZGJBH4RJSD · pith_short_8: ENHUYTZG

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/ENHUYTZGJBH4RJSDREA5V3FZ2I \
  | 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: 234f4c4f26484fc8a6438901daecb9d2331628c4c71197f739b8ec2c83b79fce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e29e1295dd623d0908dc2ab3ee1f41cbf0842c8c24607df4e707fe9d622cc10",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-08-31T09:38:07Z",
    "title_canon_sha256": "230d7981fd8d9355b340276210efc7bb19a0e06f9b8b88bf0cdae8da17b4005e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0108234",
    "kind": "arxiv",
    "version": 2
  }
}