Pith Number

pith:2UEUTOQ7

pith:2008:2UEUTOQ7VFHFQNCKQ7W726QFN4

not attested not anchored not stored refs pending

Injective Simplicial Maps of the Arc Complex on Nonorientable Surfaces

Elmas Irmak

arxiv:0803.0498 v1 · 2008-03-04 · math.GT · 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{2UEUTOQ7VFHFQNCKQ7W726QFN4}

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	2026-05-18T02:41:51.739043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d50949ba1fa94e58344a87edfd7a056f1876f46e299609b8c54c63830b336007

Aliases

arxiv: 0803.0498 · arxiv_version: 0803.0498v1 · doi: 10.48550/arxiv.0803.0498 · pith_short_12: 2UEUTOQ7VFHF · pith_short_16: 2UEUTOQ7VFHFQNCK · pith_short_8: 2UEUTOQ7

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/2UEUTOQ7VFHFQNCKQ7W726QFN4 \
  | 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: d50949ba1fa94e58344a87edfd7a056f1876f46e299609b8c54c63830b336007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7107050c6e33200fd1b313ef583d5233dc4352b23b877ae1199b6bc042dca75",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-03-04T17:11:41Z",
    "title_canon_sha256": "b392c75ba3f2a4df26bde95bfbcb9f3f5a5bfa5b0b67fb890725d36416ae1eea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0498",
    "kind": "arxiv",
    "version": 1
  }
}