Pith Number

pith:KT2UABBA

pith:2007:KT2UABBAQL6FKR2TAL3VZ2QP2K

not attested not anchored not stored refs pending

A hermitian analogue of the Broecker-Prestel theorem

Thomas Unger, Vincent Astier

arxiv:0707.3754 v3 · 2007-07-25 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KT2UABBAQL6FKR2TAL3VZ2QP2K}

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	2026-05-18T04:03:07.764849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54f540042082fc55475302f75cea0fd2ba156940769d6258a9aef67ab92038e8

Aliases

arxiv: 0707.3754 · arxiv_version: 0707.3754v3 · doi: 10.48550/arxiv.0707.3754 · pith_short_12: KT2UABBAQL6F · pith_short_16: KT2UABBAQL6FKR2T · pith_short_8: KT2UABBA

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/KT2UABBAQL6FKR2TAL3VZ2QP2K \
  | 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: 54f540042082fc55475302f75cea0fd2ba156940769d6258a9aef67ab92038e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f303f46b2c7473b26a7abb76486b4c7d5112455102b9a0de10c72a3d476febe3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2007-07-25T14:26:54Z",
    "title_canon_sha256": "35bd19ccacad723f511c1978ddb1fcb793935583c50da6d39f2c0fe7f20f949a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.3754",
    "kind": "arxiv",
    "version": 3
  }
}