Pith Number

pith:RK7JIG53

pith:2017:RK7JIG53YUK2UXCOXSFIRTQYHP

not attested not anchored not stored refs pending

The Fiber of the Persistence Map for Functions on the Interval

Justin Curry

arxiv:1706.06059 v2 · 2017-06-19 · 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{RK7JIG53YUK2UXCOXSFIRTQYHP}

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	2026-05-17T23:56:00.182900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8abe941bbbc515aa5c4ebc8a88ce183bcd98488d89b7276d399794604804f7b4

Aliases

arxiv: 1706.06059 · arxiv_version: 1706.06059v2 · doi: 10.48550/arxiv.1706.06059 · pith_short_12: RK7JIG53YUK2 · pith_short_16: RK7JIG53YUK2UXCO · pith_short_8: RK7JIG53

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/RK7JIG53YUK2UXCOXSFIRTQYHP \
  | 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: 8abe941bbbc515aa5c4ebc8a88ce183bcd98488d89b7276d399794604804f7b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a41de56da281fa59433e81b4585f16a04e6c43f06a4297410d69aeeb3402a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-06-19T17:03:40Z",
    "title_canon_sha256": "f301f78947ffbf9b59a768c82dbd817cd62e9055f5a9fcc7242996fd5af3bb62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06059",
    "kind": "arxiv",
    "version": 2
  }
}