Pith Number

pith:3JEZSEHG

pith:2017:3JEZSEHG2EBXZY54PDWUIREXFH

not attested not anchored not stored refs pending

A geometric method for eigenvalue problems with low rank perturbations

Andrea K. Barreiro, Jared C Bronski, Thomas J. Anastasio

arxiv:1705.07360 v2 · 2017-05-20 · math.SP · math.AP · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3JEZSEHG2EBXZY54PDWUIREXFH}

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	2026-05-18T00:38:13.579344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da499910e6d1037ce3bc78ed44449729f79aefef87f07c745314f9377991935b

Aliases

arxiv: 1705.07360 · arxiv_version: 1705.07360v2 · doi: 10.48550/arxiv.1705.07360 · pith_short_12: 3JEZSEHG2EBX · pith_short_16: 3JEZSEHG2EBXZY54 · pith_short_8: 3JEZSEHG

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/3JEZSEHG2EBXZY54PDWUIREXFH \
  | 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: da499910e6d1037ce3bc78ed44449729f79aefef87f07c745314f9377991935b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c32e70fca4c6a0f4d2b49bf6c4de7e0b15a6c3d46c752430112c6ebf47286a9",
    "cross_cats_sorted": [
      "math.AP",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2017-05-20T20:55:03Z",
    "title_canon_sha256": "eeb67475050e81248905409cbdd3e9b3b548f8ab229d6b7025250d3be4a03d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07360",
    "kind": "arxiv",
    "version": 2
  }
}