Pith Number

pith:ZTBZUUJG

pith:2015:ZTBZUUJGDKTCE6EFWFEQRQE6EN

not attested not anchored not stored refs pending

Dp-minimal valued fields

Erik Walsberg, Franziska Jahnke, Pierre Simon

arxiv:1507.03911 v1 · 2015-07-14 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZTBZUUJGDKTCE6EFWFEQRQE6EN}

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	2026-05-18T01:36:52.253980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccc39a51261aa6227885b14908c09e234910d12fa5b3a8bda1e870d5bcecd00a

Aliases

arxiv: 1507.03911 · arxiv_version: 1507.03911v1 · doi: 10.48550/arxiv.1507.03911 · pith_short_12: ZTBZUUJGDKTC · pith_short_16: ZTBZUUJGDKTCE6EF · pith_short_8: ZTBZUUJG

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/ZTBZUUJGDKTCE6EFWFEQRQE6EN \
  | 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: ccc39a51261aa6227885b14908c09e234910d12fa5b3a8bda1e870d5bcecd00a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b460fa6f8f6be208d61258335ac1be7ce0d48daa55dcfd8a6e5c7f8d46068ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-07-14T16:24:13Z",
    "title_canon_sha256": "b9d0d9dad0423041eb86edd4d1f8e73ebd6487055c1c4cd3a8c1ef5383d350e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03911",
    "kind": "arxiv",
    "version": 1
  }
}