Pith Number

pith:PDJSH4GY

pith:2006:PDJSH4GYVXJRTPDQAZ5MS7SZ22

not attested not anchored not stored refs pending

D-branes at Singularities, Compactification, and Hypercharge

David R. Morrison, Dmitry Malyshev, Herman Verlinde, Martijn Wijnholt, Matthew Buican

arxiv:hep-th/0610007 v2 · 2006-10-02 · 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{PDJSH4GYVXJRTPDQAZ5MS7SZ22}

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	2026-05-18T04:38:26.427817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d323f0d8add319bc70067ac97e59d6b3488c3d88b288b900aab81a9750c430

Aliases

arxiv: hep-th/0610007 · arxiv_version: hep-th/0610007v2 · doi: 10.48550/arxiv.hep-th/0610007 · pith_short_12: PDJSH4GYVXJR · pith_short_16: PDJSH4GYVXJRTPDQ · pith_short_8: PDJSH4GY

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/PDJSH4GYVXJRTPDQAZ5MS7SZ22 \
  | 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: 78d323f0d8add319bc70067ac97e59d6b3488c3d88b288b900aab81a9750c430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f8e5f352dd125d0bc92aa35b95344ed5fbf414a2f64b2798cf61f6b0b352daf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2006-10-02T12:33:34Z",
    "title_canon_sha256": "082f7d93d1cae6274579e42bb80cb0027980b7ab129b739a0c687dcbf586bc57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0610007",
    "kind": "arxiv",
    "version": 2
  }
}