Pith Number

pith:FNAZ3TIU

pith:2015:FNAZ3TIUYBPX6DOM3MOGSB44XZ

not attested not anchored not stored refs pending

An Online Tutor for Astronomy: The GEAS Self-Review Library

Amy Smith Muise, Nicole P. Vogt

arxiv:1505.00050 v1 · 2015-04-30 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNAZ3TIUYBPX6DOM3MOGSB44XZ}

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	2026-05-18T02:17:13.726083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b419dcd14c05f7f0dccdb1c69079cbe4866424efb2bc0edd59ddbcdcf1a3e13

Aliases

arxiv: 1505.00050 · arxiv_version: 1505.00050v1 · doi: 10.48550/arxiv.1505.00050 · pith_short_12: FNAZ3TIUYBPX · pith_short_16: FNAZ3TIUYBPX6DOM · pith_short_8: FNAZ3TIU

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/FNAZ3TIUYBPX6DOM3MOGSB44XZ \
  | 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: 2b419dcd14c05f7f0dccdb1c69079cbe4866424efb2bc0edd59ddbcdcf1a3e13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df507dfc8219f2065d7f3e2e38397c90e93000ca452fa92284250ff7c68ede7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-04-30T22:28:54Z",
    "title_canon_sha256": "68c6a5765d70eb2951a0df75f9d1c5ba9859aeca04798ebbb0e4ea03006fa02a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00050",
    "kind": "arxiv",
    "version": 1
  }
}