Pith Number

pith:IUNA5VS4

pith:1997:IUNA5VS46A46UPFDACN2FZ72KB

not attested not anchored not stored refs pending

Symmetries for generating string cosmologies

David Wands, E. J. Copeland, James E. Lidsey

arxiv:hep-th/9708153 v2 · 1997-08-28 · 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{IUNA5VS46A46UPFDACN2FZ72KB}

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	2026-07-04T16:05:42.079819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

451a0ed65cf039ea3ca3009ba2e7fa50745001b9895ef3a478bf153473a2cef0

Aliases

arxiv: hep-th/9708153 · arxiv_version: hep-th/9708153v2 · doi: 10.48550/arxiv.hep-th/9708153 · pith_short_12: IUNA5VS46A46 · pith_short_16: IUNA5VS46A46UPFD · pith_short_8: IUNA5VS4

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/IUNA5VS46A46UPFDACN2FZ72KB \
  | 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: 451a0ed65cf039ea3ca3009ba2e7fa50745001b9895ef3a478bf153473a2cef0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bc4dadf8d4aef93517217d85abf451e050c23dd6aa96f10c847db6c9955f069",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-08-28T12:47:00Z",
    "title_canon_sha256": "48fb761626e70c028d37263b516b7a2fd26061df7da3767b1f43fdf15aad0c98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9708153",
    "kind": "arxiv",
    "version": 2
  }
}