Pith Number

pith:FS5I2BR4

pith:2015:FS5I2BR4POTF44AUURTO6J5HMT

not attested not anchored not stored refs pending

Gravitational Microlensing I: A Unique Astrophysical Tool

Sohrab Rahvar

arxiv:1503.04271 v1 · 2015-03-14 · astro-ph.IM · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FS5I2BR4POTF44AUURTO6J5HMT}

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	2026-05-18T01:18:54.408646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cba8d063c7ba65e7014a466ef27a764d2741f48e57b314c43f517c1f1a53954

Aliases

arxiv: 1503.04271 · arxiv_version: 1503.04271v1 · doi: 10.48550/arxiv.1503.04271 · pith_short_12: FS5I2BR4POTF · pith_short_16: FS5I2BR4POTF44AU · pith_short_8: FS5I2BR4

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/FS5I2BR4POTF44AUURTO6J5HMT \
  | 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: 2cba8d063c7ba65e7014a466ef27a764d2741f48e57b314c43f517c1f1a53954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ca328481027089ab00b553c78fe3b62f617c2c95a1302d4c2ef3aa8b9712f6",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-03-14T05:22:53Z",
    "title_canon_sha256": "b816b9c9a17c0b4da3f4655ec7adb3ec0128c5e713a9b0c06592b5ef13841021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04271",
    "kind": "arxiv",
    "version": 1
  }
}