Pith Number

pith:TA47MFIH

pith:2015:TA47MFIHLCM4FD3CLNCUTUM4RL

not attested not anchored not stored refs pending

The existential theory of equicharacteristic henselian valued fields

Arno Fehm, Sylvy Anscombe

arxiv:1501.04522 v2 · 2015-01-19 · math.LO · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TA47MFIHLCM4FD3CLNCUTUM4RL}

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	2026-05-18T01:12:08.738253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9839f615075899c28f625b4549d19c8ac83ca55dfd4533e3fdc887981cc8138d

Aliases

arxiv: 1501.04522 · arxiv_version: 1501.04522v2 · doi: 10.48550/arxiv.1501.04522 · pith_short_12: TA47MFIHLCM4 · pith_short_16: TA47MFIHLCM4FD3C · pith_short_8: TA47MFIH

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/TA47MFIHLCM4FD3CLNCUTUM4RL \
  | 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: 9839f615075899c28f625b4549d19c8ac83ca55dfd4533e3fdc887981cc8138d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d2770ac0fb9de8faacdec6f154ad7dd2fefb712aefcd4207103e2351e95e638",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-01-19T15:27:54Z",
    "title_canon_sha256": "86c3d4967daa145dca9fccb2f8bc9d2fe914acd963acb78e13f88a4b0268f63d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04522",
    "kind": "arxiv",
    "version": 2
  }
}