Pith Number

pith:TQMABOGF

pith:2017:TQMABOGFA3ICL5M3X73L764XIO

not attested not anchored not stored refs pending

Shenfun -- automating the spectral Galerkin method

Mikael Mortensen

arxiv:1708.03188 v1 · 2017-08-10 · physics.comp-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{TQMABOGFA3ICL5M3X73L764XIO}

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	2026-05-18T00:38:14.524356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c1800b8c506d025f59bbff6bffb9743baf403c8010cd0860cfa4a1c8790c793

Aliases

arxiv: 1708.03188 · arxiv_version: 1708.03188v1 · doi: 10.48550/arxiv.1708.03188 · pith_short_12: TQMABOGFA3IC · pith_short_16: TQMABOGFA3ICL5M3 · pith_short_8: TQMABOGF

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/TQMABOGFA3ICL5M3X73L764XIO \
  | 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: 9c1800b8c506d025f59bbff6bffb9743baf403c8010cd0860cfa4a1c8790c793

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c95f584f1ed18f7f42701f08fc0428044741dcb9b919a7880f955ac0f5af451a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-08-10T12:49:59Z",
    "title_canon_sha256": "c6ee049b2d3ee33e34c9cb535c328112ecf0ba722c1f10d9384d1529b3d5927d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03188",
    "kind": "arxiv",
    "version": 1
  }
}