Pith Number

pith:Z6DI7AN5

pith:2015:Z6DI7AN5GZ6B3E6UXHNMSOPTQQ

not attested not anchored not stored refs pending

Metrics for Optimization of Large Synoptic Survey Telescope Observations of Stellar Variables and Transients

Joshua A. Pepper, Keivan G. Stassun, Michael B. Lund, Robert J. Siverd

arxiv:1508.03175 v2 · 2015-08-13 · astro-ph.IM · 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{Z6DI7AN5GZ6B3E6UXHNMSOPTQQ}

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	2026-05-18T01:15:06.785997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf868f81bd367c1d93d4b9dac939f3841e76f7ae0da6fa41e0bd0145eac5cba4

Aliases

arxiv: 1508.03175 · arxiv_version: 1508.03175v2 · doi: 10.48550/arxiv.1508.03175 · pith_short_12: Z6DI7AN5GZ6B · pith_short_16: Z6DI7AN5GZ6B3E6U · pith_short_8: Z6DI7AN5

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/Z6DI7AN5GZ6B3E6UXHNMSOPTQQ \
  | 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: cf868f81bd367c1d93d4b9dac939f3841e76f7ae0da6fa41e0bd0145eac5cba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7350800f6d621a97df7a6fa48268192cc96b892c0ace95e059584f83941520c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-08-13T11:11:24Z",
    "title_canon_sha256": "c3ee09bec60593f87e23a5e6bab9ce7ac23774afb72dde71b2974221d8d199ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03175",
    "kind": "arxiv",
    "version": 2
  }
}