Pith Number

pith:UHGPWAC4

pith:2016:UHGPWAC4RIHKPZSDX3DCN4TEP7

not attested not anchored not stored refs pending

Boundaries of Dehn fillings

Alessandro Sisto, Daniel Groves, Jason Fox Manning

arxiv:1612.03497 v2 · 2016-12-11 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHGPWAC4RIHKPZSDX3DCN4TEP7}

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

Cohomology of group theoretic Dehn fillings II

Receipt and verification

First computed	2026-07-05T00:25:06.717412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ccfb005c8a0ea7e643bec626f2647fd88043be961623c0c3d235229cb7f603

Aliases

arxiv: 1612.03497 · arxiv_version: 1612.03497v2 · doi: 10.48550/arxiv.1612.03497 · pith_short_12: UHGPWAC4RIHK · pith_short_16: UHGPWAC4RIHKPZSD · pith_short_8: UHGPWAC4

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/UHGPWAC4RIHKPZSDX3DCN4TEP7 \
  | 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: a1ccfb005c8a0ea7e643bec626f2647fd88043be961623c0c3d235229cb7f603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2e28a0efbabad68ae25d9a2420fd5ff99b29858d9a7bdcb27d8d28b067c32ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-12-11T22:48:33Z",
    "title_canon_sha256": "21f1222262e112be17a4f917012c9f959ec479f8ec9ff67c5e6c93c92e0f5617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03497",
    "kind": "arxiv",
    "version": 2
  }
}