Pith Number

pith:GFDAT2US

pith:2017:GFDAT2USFYSW4EPWYHTOYZRNL5

not attested not anchored not stored refs pending

Topological surfaces as gridded surfaces in geometrical spaces

Alberto Verjovsky, Gabriela Hinojosa, Juan Pablo D\'iaz

arxiv:1703.06944 v2 · 2017-03-20 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFDAT2USFYSW4EPWYHTOYZRNL5}

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	2026-05-18T00:29:15.317706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314609ea922e256e11f6c1e6ec662d5f53e84522e85b667274bb91fa89711281

Aliases

arxiv: 1703.06944 · arxiv_version: 1703.06944v2 · doi: 10.48550/arxiv.1703.06944 · pith_short_12: GFDAT2USFYSW · pith_short_16: GFDAT2USFYSW4EPW · pith_short_8: GFDAT2US

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/GFDAT2USFYSW4EPWYHTOYZRNL5 \
  | 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: 314609ea922e256e11f6c1e6ec662d5f53e84522e85b667274bb91fa89711281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e5a41d1b38276d151f5ecac9dac525a220accbc57845274fc90173b60d7329",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-03-20T19:41:10Z",
    "title_canon_sha256": "3ef3fe7671ee204b617387ff77362f086c87a2a4921e8ceb26898f109f29c1d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06944",
    "kind": "arxiv",
    "version": 2
  }
}