Pith Number

pith:OBPELB22

pith:2013:OBPELB22V66JZ75UZJPCCFROAQ

not attested not anchored not stored refs pending

Differential-algebraic jet spaces preserve internality to the constants

Matthew Harrison-Trainor, Rahim Moosa, Zoe Chatzidakis

arxiv:1311.3546 v1 · 2013-11-14 · 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{OBPELB22V66JZ75UZJPCCFROAQ}

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	2026-05-18T03:07:04.544124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

705e45875aafbc9cffb4ca5e21162e041856317b4176086d5694f1111ad4fce6

Aliases

arxiv: 1311.3546 · arxiv_version: 1311.3546v1 · doi: 10.48550/arxiv.1311.3546 · pith_short_12: OBPELB22V66J · pith_short_16: OBPELB22V66JZ75U · pith_short_8: OBPELB22

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/OBPELB22V66JZ75UZJPCCFROAQ \
  | 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: 705e45875aafbc9cffb4ca5e21162e041856317b4176086d5694f1111ad4fce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bf750e8741f9e8740d1d28c3d9f230eaa9bba37f282fff931ece4c7041a8d22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-11-14T15:48:24Z",
    "title_canon_sha256": "8b1dca5ebfc332abdc24eaedec3df905024756a12a24efc352b7117ff5d2dde5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3546",
    "kind": "arxiv",
    "version": 1
  }
}