Pith Number

pith:GF7KIG4L

pith:2016:GF7KIG4L3RUU74AHW44KVKXO5N

not attested not anchored not stored refs pending

Keyless authentication in the presence of a simultaneously transmitting adversary

Eric Graves, Paul Yu, Predrag Spasojevic

arxiv:1609.09454 v1 · 2016-09-29 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GF7KIG4L3RUU74AHW44KVKXO5N}

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	2026-05-18T01:03:37.835655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

317ea41b8bdc694ff007b738aaaaeeeb538de77da4bce23ef91c3e8ae932c47d

Aliases

arxiv: 1609.09454 · arxiv_version: 1609.09454v1 · doi: 10.48550/arxiv.1609.09454 · pith_short_12: GF7KIG4L3RUU · pith_short_16: GF7KIG4L3RUU74AH · pith_short_8: GF7KIG4L

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/GF7KIG4L3RUU74AHW44KVKXO5N \
  | 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: 317ea41b8bdc694ff007b738aaaaeeeb538de77da4bce23ef91c3e8ae932c47d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b7baaa7f715f449cdfeac861301f71dbc41d2d25081a94fd383fc453f26f08c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-09-29T18:24:35Z",
    "title_canon_sha256": "1dd98a40ad2669003db996056035cf0191e335161e18123534b7fee2d7c60496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09454",
    "kind": "arxiv",
    "version": 1
  }
}