Pith Number

pith:UMO2BDAB

pith:2017:UMO2BDABABWEFOFAGFLQIS72LG

not attested not anchored not stored refs pending

Sedentary quantum walks

Chris Godsil

arxiv:1710.11192 v1 · 2017-10-30 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMO2BDABABWEFOFAGFLQIS72LG}

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	2026-05-18T00:31:44.625464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a31da08c01006c42b8a03157044bfa59a0b8a331a42228a458d1c8e469475905

Aliases

arxiv: 1710.11192 · arxiv_version: 1710.11192v1 · doi: 10.48550/arxiv.1710.11192 · pith_short_12: UMO2BDABABWE · pith_short_16: UMO2BDABABWEFOFA · pith_short_8: UMO2BDAB

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/UMO2BDABABWEFOFAGFLQIS72LG \
  | 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: a31da08c01006c42b8a03157044bfa59a0b8a331a42228a458d1c8e469475905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d0911b9bc826450e1679e231bc9c866680f465e7837c5c882a6a13eeccd647",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-30T18:57:57Z",
    "title_canon_sha256": "ed0f396e18059fa9559bd2ebef2969f17bee72ebc60592d7fd28cedf95842a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.11192",
    "kind": "arxiv",
    "version": 1
  }
}