Pith Number

pith:3IGRHEOQ

pith:2012:3IGRHEOQG7PBKZLSLSDRWVXW6L

not attested not anchored not stored refs pending

Design Differences between the Pan-STARRS PS1 and PS2 Telescopes

David Anderson, Jeffrey S. Morgan, Nicholas Kaiser, Vincent Moreau, William Burgett

arxiv:1207.2513 v1 · 2012-07-11 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IGRHEOQG7PBKZLSLSDRWVXW6L}

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	2026-05-18T01:56:25.578436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da0d1391d037de1565725c871b56f6f2f4c69406cb9570e92343d0d644c09254

Aliases

arxiv: 1207.2513 · arxiv_version: 1207.2513v1 · doi: 10.48550/arxiv.1207.2513 · pith_short_12: 3IGRHEOQG7PB · pith_short_16: 3IGRHEOQG7PBKZLS · pith_short_8: 3IGRHEOQ

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/3IGRHEOQG7PBKZLSLSDRWVXW6L \
  | 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: da0d1391d037de1565725c871b56f6f2f4c69406cb9570e92343d0d644c09254

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b278124ad3878170e7c70f86a2dd2c58ec10cadbdb8c69ba12fd5f2713edc744",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-11T00:06:42Z",
    "title_canon_sha256": "2ad71d45c4bbae922a56afb1b7728bec5325401a93cc8f4c52e4656e75358558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2513",
    "kind": "arxiv",
    "version": 1
  }
}