Pith Number

pith:SIN3MNA7

pith:2001:SIN3MNA77ZBS5XYU2U2QELZDNB

not attested not anchored not stored refs pending

On the possibility of an astronomical detection of chromaticity effects in microlensing by wormhole-like objects

Diego F. Torres, Ernesto F. Eiroa, Gustavo E. Romero

arxiv:gr-qc/0109041 v1 · 2001-09-11 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIN3MNA77ZBS5XYU2U2QELZDNB}

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	2026-07-04T16:26:57.439836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

921bb6341ffe432edf14d535022f2368666c2a1ee2df6f7234c1a576968ba97b

Aliases

arxiv: gr-qc/0109041 · arxiv_version: gr-qc/0109041v1 · doi: 10.48550/arxiv.gr-qc/0109041 · pith_short_12: SIN3MNA77ZBS · pith_short_16: SIN3MNA77ZBS5XYU · pith_short_8: SIN3MNA7

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/SIN3MNA77ZBS5XYU2U2QELZDNB \
  | 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: 921bb6341ffe432edf14d535022f2368666c2a1ee2df6f7234c1a576968ba97b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59084064abc6ec62e595bd998f96b3803961051aab18f1fb1de35aedde370ecc",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-09-11T22:18:53Z",
    "title_canon_sha256": "ef31dc5e7853b76e707b9229e59229cd4507e141b7c22531ee4e8be1b8eda067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0109041",
    "kind": "arxiv",
    "version": 1
  }
}