Pith Number

pith:EDNSQME7

pith:2019:EDNSQME7D2TXKHJKALOUGL7DVV

not attested not anchored not stored refs pending

Classification of exterior and proper fibrations

Aniceto Murillo, Jose Manuel Garc\'ia-Calcines, Pedro Ruym\'an Garc\'ia-D\'iaz

arxiv:1906.01043 v1 · 2019-06-03 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDNSQME7D2TXKHJKALOUGL7DVV}

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	2026-05-17T23:44:17.998847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20db28309f1ea7751d2a02dd432fe3ad7996be2bc2eea538376895ca3ce3b413

Aliases

arxiv: 1906.01043 · arxiv_version: 1906.01043v1 · doi: 10.48550/arxiv.1906.01043 · pith_short_12: EDNSQME7D2TX · pith_short_16: EDNSQME7D2TXKHJK · pith_short_8: EDNSQME7

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/EDNSQME7D2TXKHJKALOUGL7DVV \
  | 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: 20db28309f1ea7751d2a02dd432fe3ad7996be2bc2eea538376895ca3ce3b413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "679961426a5bc33713d03f7624791d322967bfbeec915d5c502d4bc9ebc112db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-06-03T19:37:19Z",
    "title_canon_sha256": "48ab95a8919e118c36433932528d5ec0873fe4bb4b5bec6d3468d0542cfe9fea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01043",
    "kind": "arxiv",
    "version": 1
  }
}