Pith Number

pith:EIC5K7W5

pith:2003:EIC5K7W5RFTEVHUZ6PANHG5FHA

not attested not anchored not stored refs pending

Calculus III: Taylor Series

Thomas G. Goodwillie

arxiv:math/0310481 v1 · 2003-10-30 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIC5K7W5RFTEVHUZ6PANHG5FHA}

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	2026-05-18T02:38:00.234175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2205d57edd89664a9e99f3c0d39ba53805584abe84e62c888c375b5bba945b84

Aliases

arxiv: math/0310481 · arxiv_version: math/0310481v1 · doi: 10.48550/arxiv.math/0310481 · pith_short_12: EIC5K7W5RFTE · pith_short_16: EIC5K7W5RFTEVHUZ · pith_short_8: EIC5K7W5

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/EIC5K7W5RFTEVHUZ6PANHG5FHA \
  | 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: 2205d57edd89664a9e99f3c0d39ba53805584abe84e62c888c375b5bba945b84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87626eef8a672d58c6578bc772142fdc92605612d593ebdee82968f0882c40da",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2003-10-30T22:24:09Z",
    "title_canon_sha256": "8aaa0bf35ddd45f390d8bbb73155db5403a56025660482f0b4587989b1a33310"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0310481",
    "kind": "arxiv",
    "version": 1
  }
}