Pith Number

pith:BSCK743R

pith:2015:BSCK743RKXT7M254LPWW3WJ2PU

not attested not anchored not stored refs pending

Transfinite limits in topos theory

Moritz Kerz

arxiv:1502.01923 v3 · 2015-02-06 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSCK743RKXT7M254LPWW3WJ2PU}

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	2026-05-18T01:21:32.485700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c84aff37155e7f66bbc5bed6dd93a7d2e83f2dac0f15e36f21d145dfa1d94e2

Aliases

arxiv: 1502.01923 · arxiv_version: 1502.01923v3 · doi: 10.48550/arxiv.1502.01923 · pith_short_12: BSCK743RKXT7 · pith_short_16: BSCK743RKXT7M254 · pith_short_8: BSCK743R

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/BSCK743RKXT7M254LPWW3WJ2PU \
  | 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: 0c84aff37155e7f66bbc5bed6dd93a7d2e83f2dac0f15e36f21d145dfa1d94e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38fef3e5405f6aa2ac0e41def9589b43cc8609b217281b51ea03ac048f819254",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2015-02-06T15:46:59Z",
    "title_canon_sha256": "0ad0c650c500ca8842f3edbf4d72fcaea11098f06d2dbc03d7b679cf637e06f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01923",
    "kind": "arxiv",
    "version": 3
  }
}