Pith Number

pith:QCFOKNBO

pith:2015:QCFOKNBOOZ6EUOE2MSDCDZPK5G

not attested not anchored not stored refs pending

How Astronomers View Education and Public Outreach: An Exploratory Study

Lisa Dang, Pedro Russo

arxiv:1507.08552 v2 · 2015-07-30 · 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{QCFOKNBOOZ6EUOE2MSDCDZPK5G}

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	2026-05-18T01:36:03.231419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

808ae5342e767c4a389a648621e5eae984ab358ea89e9cfa253db724e92add79

Aliases

arxiv: 1507.08552 · arxiv_version: 1507.08552v2 · doi: 10.48550/arxiv.1507.08552 · pith_short_12: QCFOKNBOOZ6E · pith_short_16: QCFOKNBOOZ6EUOE2 · pith_short_8: QCFOKNBO

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/QCFOKNBOOZ6EUOE2MSDCDZPK5G \
  | 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: 808ae5342e767c4a389a648621e5eae984ab358ea89e9cfa253db724e92add79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a54818925be70f7e019dccb985109acfe57235001ae7a968ca85bc590680e42b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-07-30T15:45:10Z",
    "title_canon_sha256": "f42d74b0afd5ed96053a60295fa48b0003697b375d6ab1549a735026a3003666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08552",
    "kind": "arxiv",
    "version": 2
  }
}