Pith Number

pith:IQEMMMSW

pith:2016:IQEMMMSW4TUW2TX5YAAUVUJDUV

not attested not anchored not stored refs pending

Differential Galois Groups and Representation of Quivers for Seismic Models with Constant Hessian of Square of Slowness

Carlos Piedrahita, Hern\'an Giraldo, Primitivo Acosta-Hum\'anez

arxiv:1612.04429 v1 · 2016-12-13 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQEMMMSW4TUW2TX5YAAUVUJDUV}

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	2026-05-18T00:54:59.600428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4408c63256e4e96d4efdc0014ad123a549c33896ecce2ab379f3b4894d374ad7

Aliases

arxiv: 1612.04429 · arxiv_version: 1612.04429v1 · doi: 10.48550/arxiv.1612.04429 · pith_short_12: IQEMMMSW4TUW · pith_short_16: IQEMMMSW4TUW2TX5 · pith_short_8: IQEMMMSW

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/IQEMMMSW4TUW2TX5YAAUVUJDUV \
  | 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: 4408c63256e4e96d4efdc0014ad123a549c33896ecce2ab379f3b4894d374ad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "369b0357bbc9901451f91bd828b2216d78b4c67ee5454d97ab344cc670865a81",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-12-13T23:30:05Z",
    "title_canon_sha256": "136b21f8d4b316611d711a1a8070762c4eca779780d2be400c9810be7590ab85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04429",
    "kind": "arxiv",
    "version": 1
  }
}