Pith Number

pith:Z44EPF56

pith:2017:Z44EPF56M4XOUXSNWBFP47WMHR

not attested not anchored not stored refs pending

Introducing the anatomy of disciplinary discernment: an example from astronomy

Andreas Redfors, Cedric Linder, John Airey, Urban Eriksson

arxiv:1703.00269 v1 · 2017-03-01 · 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{Z44EPF56M4XOUXSNWBFP47WMHR}

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	2026-05-18T00:49:45.403117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf384797be672eea5e4db04afe7ecc3c797a6f508db96bab0de10782432d5dfb

Aliases

arxiv: 1703.00269 · arxiv_version: 1703.00269v1 · doi: 10.48550/arxiv.1703.00269 · pith_short_12: Z44EPF56M4XO · pith_short_16: Z44EPF56M4XOUXSN · pith_short_8: Z44EPF56

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/Z44EPF56M4XOUXSNWBFP47WMHR \
  | 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: cf384797be672eea5e4db04afe7ecc3c797a6f508db96bab0de10782432d5dfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad870da66f1f85aa5eb4d6696cac81849f4338a639974d9a3cad1c90e1340efa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2017-03-01T12:41:33Z",
    "title_canon_sha256": "850ec180b2b5469cdfb2d377c442972e6c1c5700ae9a25d1f9ee0ae5568e9287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00269",
    "kind": "arxiv",
    "version": 1
  }
}