Pith Number

pith:ID4FX4FY

pith:1997:ID4FX4FYUEWIV5QNCQ6UQB5LSJ

not attested not anchored not stored refs pending

Remarks on T-duality for open strings

H. Dorn, H.-J. Otto

arxiv:hep-th/9702018 v1 · 1997-02-03 · 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{ID4FX4FYUEWIV5QNCQ6UQB5LSJ}

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	2026-05-18T01:05:56.211727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40f85bf0b8a12c8af60d143d4807ab926f41e759a51c7aaa7845f2ed9154df18

Aliases

arxiv: hep-th/9702018 · arxiv_version: hep-th/9702018v1 · doi: 10.48550/arxiv.hep-th/9702018 · pith_short_12: ID4FX4FYUEWI · pith_short_16: ID4FX4FYUEWIV5QN · pith_short_8: ID4FX4FY

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/ID4FX4FYUEWIV5QNCQ6UQB5LSJ \
  | 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: 40f85bf0b8a12c8af60d143d4807ab926f41e759a51c7aaa7845f2ed9154df18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e705f37c5898481f05965a1aadb67682e147f30693c9a50bb68c9d4aaa35c282",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-02-03T09:37:23Z",
    "title_canon_sha256": "2b0ba724eaf6b44215a2e8851443f44e1a07ae0c6901279eaf627c80b0e76c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9702018",
    "kind": "arxiv",
    "version": 1
  }
}