Pith Number

pith:YHEKJJTG

pith:2018:YHEKJJTG4EFSBU6N7MMMZTK2MC

not attested not anchored not stored refs pending

Uniqueness of fiber functors and universal Tannakian categories

Daniel Sch\"appi

arxiv:1805.03485 v1 · 2018-05-09 · math.AG · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHEKJJTG4EFSBU6N7MMMZTK2MC}

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.

Cited by

1 paper in Pith

Invertible exterior powers

Receipt and verification

First computed	2026-05-18T00:16:20.102723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1c8a4a666e10b20d3cdfb18cccd5a60adb8af751d01586aaccd9a6281e2feca

Aliases

arxiv: 1805.03485 · arxiv_version: 1805.03485v1 · doi: 10.48550/arxiv.1805.03485 · pith_short_12: YHEKJJTG4EFS · pith_short_16: YHEKJJTG4EFSBU6N · pith_short_8: YHEKJJTG

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/YHEKJJTG4EFSBU6N7MMMZTK2MC \
  | 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: c1c8a4a666e10b20d3cdfb18cccd5a60adb8af751d01586aaccd9a6281e2feca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24f78b32a3552e3c0cb08ef682cf8285267b375be37588f02f8fc65169b63200",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-05-09T12:45:25Z",
    "title_canon_sha256": "362e1ca5d6b58986224e996f9877de8934b036d0a0a4d21721aeb87f99e4e95b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03485",
    "kind": "arxiv",
    "version": 1
  }
}