Pith Number

pith:7E35YAFA

pith:2017:7E35YAFAGMOO6CDCUEPI5VDXGO

not attested not anchored not stored refs pending

Sacks Forcing and the Shrink Wrapping Property

Dan Hathaway, Osvaldo Guzm\'an Gonz\'alez

arxiv:1708.07250 v3 · 2017-08-24 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7E35YAFAGMOO6CDCUEPI5VDXGO}

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	2026-05-17T23:47:03.778533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f937dc00a0331cef0862a11e8ed47733a367df77b774a2ceaaf030ebc3f88e0b

Aliases

arxiv: 1708.07250 · arxiv_version: 1708.07250v3 · doi: 10.48550/arxiv.1708.07250 · pith_short_12: 7E35YAFAGMOO · pith_short_16: 7E35YAFAGMOO6CDC · pith_short_8: 7E35YAFA

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/7E35YAFAGMOO6CDCUEPI5VDXGO \
  | 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: f937dc00a0331cef0862a11e8ed47733a367df77b774a2ceaaf030ebc3f88e0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03464dd48224111a92ca055a80f4bf19d5b73ed9004c2d7b8495de1ef9440d3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-08-24T02:05:29Z",
    "title_canon_sha256": "9056c1637bc1aed309c1e23ed762507d538b9497aed59b5098ab1261df7e0f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07250",
    "kind": "arxiv",
    "version": 3
  }
}