Pith Number

pith:SAOJJYIM

pith:2010:SAOJJYIMQ2MXR46EFLFHZVUF3J

not attested not anchored not stored refs pending

M31 pixel lensing: Observations at the Loiano telescope

INFN, Italy, Italy) (on behalf of the PLAN collaboration), S. Calchi Novati (University of Salerno, Sez. di Napoli

arxiv:1001.2388 v1 · 2010-01-14 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAOJJYIMQ2MXR46EFLFHZVUF3J}

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	2026-07-04T17:19:34.223681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

901c94e10c869978f3c42aca7cd685da465f4e3b95186390aa830ab1d0d2ac4f

Aliases

arxiv: 1001.2388 · arxiv_version: 1001.2388v1 · doi: 10.48550/arxiv.1001.2388 · pith_short_12: SAOJJYIMQ2MX · pith_short_16: SAOJJYIMQ2MXR46E · pith_short_8: SAOJJYIM

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/SAOJJYIMQ2MXR46EFLFHZVUF3J \
  | 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: 901c94e10c869978f3c42aca7cd685da465f4e3b95186390aa830ab1d0d2ac4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24efcd5187e2e993fb401f9cfaec6ff6f5d78f2d074f288f419fc7052d5133bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-14T08:43:21Z",
    "title_canon_sha256": "236dffea61ca113bbac340278c65dcbe8c0ce4a2eaed7705c13b23d80afb1033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2388",
    "kind": "arxiv",
    "version": 1
  }
}