Pith Number

pith:XUTZBGUE

pith:2021:XUTZBGUE6Z6QRQBLNSPS5GFS6P

not attested not anchored not stored refs pending

Definable Equivariant Retractions in Non-Archimedean Geometry

Ehud Hrushovski, Martin Hils, Pierre Simon

arxiv:2101.02619 v1 · 2021-01-07 · math.LO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUTZBGUE6Z6QRQBLNSPS5GFS6P}

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.

Cited by

1 paper in Pith

Externally definable fsg groups in NIP theories

Receipt and verification

First computed	2026-07-05T02:05:15.511475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd27909a84f67d08c02b6c9f2e98b2f3ef0c2d291f3b612ba4f5596522d9a620

Aliases

arxiv: 2101.02619 · arxiv_version: 2101.02619v1 · doi: 10.48550/arxiv.2101.02619 · pith_short_12: XUTZBGUE6Z6Q · pith_short_16: XUTZBGUE6Z6QRQBL · pith_short_8: XUTZBGUE

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/XUTZBGUE6Z6QRQBLNSPS5GFS6P \
  | 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: bd27909a84f67d08c02b6c9f2e98b2f3ef0c2d291f3b612ba4f5596522d9a620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83303b89dd40cca625bbf08991d771a0f8ea7814b779299f214a33280ef2476b",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2021-01-07T16:40:11Z",
    "title_canon_sha256": "0dcfc0881f9868dd54ecbaf4b644acd21c8739a4e5aaf3986f2b81c4d89761cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02619",
    "kind": "arxiv",
    "version": 1
  }
}