Pith Number

pith:V565VHPW

pith:2000:V565VHPWRIJOYWF3CECPAC7LA4

not attested not anchored not stored refs pending

Infinitesimal K-theory

Guillermo Corti\~nas

arxiv:math/0001138 v1 · 2000-01-25 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V565VHPWRIJOYWF3CECPAC7LA4}

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	2026-05-18T04:14:38.444957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af7dda9df68a12ec58bb1104f00beb070a7727ef97733dd2f91f68b8a1d55c39

Aliases

arxiv: math/0001138 · arxiv_version: math/0001138v1 · doi: 10.48550/arxiv.math/0001138 · pith_short_12: V565VHPWRIJO · pith_short_16: V565VHPWRIJOYWF3 · pith_short_8: V565VHPW

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/V565VHPWRIJOYWF3CECPAC7LA4 \
  | 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: af7dda9df68a12ec58bb1104f00beb070a7727ef97733dd2f91f68b8a1d55c39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16b73c135cf5c7a6934b7dd52e248f277ce2334f027745505037e86cf9ab30e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.KT",
    "submitted_at": "2000-01-25T17:18:16Z",
    "title_canon_sha256": "8dd1d5d494757ebf1b608d04cc0c593dc2adc91f43a403352e3d31b16fb25aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0001138",
    "kind": "arxiv",
    "version": 1
  }
}