Pith Number

pith:NI73BL4S

pith:2007:NI73BL4SDXUGQAJ6ZPNFF5SBEP

not attested not anchored not stored refs pending

Stringy cosmic strings in matter coupled N=2, d=4 supergravity

Eric A. Bergshoeff, Jelle Hartong, Mechthild H\"ubscher, Tom\'as Ort\'in

arxiv:0711.0857 v2 · 2007-11-06 · 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{NI73BL4SDXUGQAJ6ZPNFF5SBEP}

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	2026-07-04T17:20:43.374479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3fb0af921de868013ecbda52f64123f6689b7819f06c7fce21f3615531fe4f

Aliases

arxiv: 0711.0857 · arxiv_version: 0711.0857v2 · doi: 10.48550/arxiv.0711.0857 · pith_short_12: NI73BL4SDXUG · pith_short_16: NI73BL4SDXUGQAJ6 · pith_short_8: NI73BL4S

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/NI73BL4SDXUGQAJ6ZPNFF5SBEP \
  | 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: 6a3fb0af921de868013ecbda52f64123f6689b7819f06c7fce21f3615531fe4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6908f4984c582750b88a422159b0958a615d357c6eb828761ac5e5c58b165606",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2007-11-06T12:35:56Z",
    "title_canon_sha256": "797a9fd28c1ca7cf2387ce9aeb84ab70c645df0a4d8490e070d8ffecc9e13b73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0857",
    "kind": "arxiv",
    "version": 2
  }
}