Pith Number

pith:EKYKYREG

pith:2016:EKYKYREGXTSUQ3S5I5VFQMK4LJ

not attested not anchored not stored refs pending

Computable valued fields

Matthew Harrison-Trainor

arxiv:1602.08408 v2 · 2016-02-26 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKYKYREGXTSUQ3S5I5VFQMK4LJ}

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	2026-05-18T00:34:10.495368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b0ac4486bce5486e5d476a58315c5a426448b16ad841cca9225d8534afdf63

Aliases

arxiv: 1602.08408 · arxiv_version: 1602.08408v2 · doi: 10.48550/arxiv.1602.08408 · pith_short_12: EKYKYREGXTSU · pith_short_16: EKYKYREGXTSUQ3S5 · pith_short_8: EKYKYREG

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/EKYKYREGXTSUQ3S5I5VFQMK4LJ \
  | 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: 22b0ac4486bce5486e5d476a58315c5a426448b16ad841cca9225d8534afdf63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e6d0245d1586394a50dbb407c8dab16d63313fca8547f8feaf84f335e6bf057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-02-26T17:28:30Z",
    "title_canon_sha256": "5dc58d5494787e71db4a864508448836c36eec18492cfccefc19686ee137b10a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08408",
    "kind": "arxiv",
    "version": 2
  }
}