Pith Number

pith:6ZW44I2S

pith:2016:6ZW44I2S4BX2PACUAK4EWHKJXO

not attested not anchored not stored refs pending

Eclipsing negative-parity image of gravitational microlensing by a giant-lens star

Sohrab Rahvar

arxiv:1601.07759 v2 · 2016-01-28 · astro-ph.EP · 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{6ZW44I2S4BX2PACUAK4EWHKJXO}

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	2026-05-18T01:15:14.159732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f66dce2352e06fa7805402b84b1d49bb8eb2bd4083bd5c793998ae5587f04f04

Aliases

arxiv: 1601.07759 · arxiv_version: 1601.07759v2 · doi: 10.48550/arxiv.1601.07759 · pith_short_12: 6ZW44I2S4BX2 · pith_short_16: 6ZW44I2S4BX2PACU · pith_short_8: 6ZW44I2S

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/6ZW44I2S4BX2PACUAK4EWHKJXO \
  | 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: f66dce2352e06fa7805402b84b1d49bb8eb2bd4083bd5c793998ae5587f04f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ff7de93ca6747fed6423ca2ea17ab4e5f8d37b82f3d15a7471b5730618ed3c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-01-28T13:46:14Z",
    "title_canon_sha256": "389b783f1165d9284ebb41aa0d4c151f6fe01395974ab5b1c5649618c036c2ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07759",
    "kind": "arxiv",
    "version": 2
  }
}