Pith Number

pith:HGSWA456

pith:2021:HGSWA456MANZ7YIIGKT3ENVMRQ

not attested not anchored not stored refs pending

Shadows of Lorentzian traversable wormholes

Farook Rahaman, Ksh. Newton Singh, Rajibul Shaikh, Somi Aktar, Tuhina Manna

arxiv:2108.09930 v2 · 2021-08-23 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGSWA456MANZ7YIIGKT3ENVMRQ}

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	2026-07-05T03:27:35.148612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39a56073be601b9fe10832a7b236ac8c0ae99ad7e3d9c479c3914595282653dd

Aliases

arxiv: 2108.09930 · arxiv_version: 2108.09930v2 · doi: 10.48550/arxiv.2108.09930 · pith_short_12: HGSWA456MANZ · pith_short_16: HGSWA456MANZ7YII · pith_short_8: HGSWA456

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/HGSWA456MANZ7YIIGKT3ENVMRQ \
  | 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: 39a56073be601b9fe10832a7b236ac8c0ae99ad7e3d9c479c3914595282653dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0dd6b4f989654c0bdc1a584b8f22e5a70ed899f668d0cafb9fad3284cadefda",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-08-23T04:43:26Z",
    "title_canon_sha256": "66d56d00877d6a40c12f2fd2f4b2daa1242dd68ee1776504dc8cb5733e85a4af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09930",
    "kind": "arxiv",
    "version": 2
  }
}