Pith Number

pith:XLLQ45A3

pith:2013:XLLQ45A3NVK77FVDG7H7U4RTRH

not attested not anchored not stored refs pending

Elimination of generalised imaginaries and Galois cohomology

Dmitry Sustretov

arxiv:1312.2273 v2 · 2013-12-08 · 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{XLLQ45A3NVK77FVDG7H7U4RTRH}

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	2026-05-18T02:37:51.968723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bad70e741b6d55ff96a337cffa723389f9d129a6271f1cb44bd3c0294d9ebc56

Aliases

arxiv: 1312.2273 · arxiv_version: 1312.2273v2 · doi: 10.48550/arxiv.1312.2273 · pith_short_12: XLLQ45A3NVK7 · pith_short_16: XLLQ45A3NVK77FVD · pith_short_8: XLLQ45A3

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/XLLQ45A3NVK77FVDG7H7U4RTRH \
  | 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: bad70e741b6d55ff96a337cffa723389f9d129a6271f1cb44bd3c0294d9ebc56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97dd0b819deda7b2d51c638e05aad1e9301441ddeab3e1f3a7f5f3fdc038f402",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-12-08T22:28:39Z",
    "title_canon_sha256": "dd86bc96c6ac7f97f5b32db2c52ce088eb66f0e92934459faf2a6f4d8a6c823c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2273",
    "kind": "arxiv",
    "version": 2
  }
}