Pith Number

pith:PUO52HEB

pith:2019:PUO52HEBRESSLLDI6FTGQYZWP3

not attested not anchored not stored refs pending

Open exceptional strings and D-branes

Chris D. A. Blair

arxiv:1904.06714 v2 · 2019-04-14 · 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{PUO52HEBRESSLLDI6FTGQYZWP3}

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	2026-07-04T23:50:54.951009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d1ddd1c81892525ac68f1666863367ee4bd125981dc7ed52c7f83a1dccc6f10

Aliases

arxiv: 1904.06714 · arxiv_version: 1904.06714v2 · doi: 10.48550/arxiv.1904.06714 · pith_short_12: PUO52HEBRESS · pith_short_16: PUO52HEBRESSLLDI · pith_short_8: PUO52HEB

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/PUO52HEBRESSLLDI6FTGQYZWP3 \
  | 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: 7d1ddd1c81892525ac68f1666863367ee4bd125981dc7ed52c7f83a1dccc6f10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e3a3336bd3be62a15fa407f053fd8e5835a48d4f232f0e5e14f024e6ca3fecc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-04-14T15:48:40Z",
    "title_canon_sha256": "b5e1aef7c1981033b1931ec60ff70e8b94dfe43ea3c498d1ab8a6dd0dfbd4e09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06714",
    "kind": "arxiv",
    "version": 2
  }
}