Pith Number

pith:ZCCHZRJZ

pith:2001:ZCCHZRJZJ3FOOQRHFDIXGMJMRO

not attested not anchored not stored refs pending

Introductory Lectures on D-Branes

I. V. Vancea (IFT-Unesp)

arxiv:hep-th/0109029 v2 · 2001-09-04 · 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{ZCCHZRJZJ3FOOQRHFDIXGMJMRO}

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	2026-05-18T00:37:10.527762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8847cc5394ecae7422728d173312c8bb4e41a132ac791cdc6716f7443f85869

Aliases

arxiv: hep-th/0109029 · arxiv_version: hep-th/0109029v2 · doi: 10.48550/arxiv.hep-th/0109029 · pith_short_12: ZCCHZRJZJ3FO · pith_short_16: ZCCHZRJZJ3FOOQRH · pith_short_8: ZCCHZRJZ

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/ZCCHZRJZJ3FOOQRHFDIXGMJMRO \
  | 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: c8847cc5394ecae7422728d173312c8bb4e41a132ac791cdc6716f7443f85869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b1af971f765bf10f4330495573c37bda78bb2c0be885e53826c2bedd4e2790c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-09-04T19:13:38Z",
    "title_canon_sha256": "873c8127c0ce98f8974fb4019c5e8fb62f31a70c52571c1c75bf8d4f231c9b24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0109029",
    "kind": "arxiv",
    "version": 2
  }
}