Pith Number

pith:UBIJ7I23

pith:2016:UBIJ7I23AXPIRZMME3UFMIGHNL

not attested not anchored not stored refs pending

Server Location Verification and Server Location Pinning: Augmenting TLS Authentication

AbdelRahman Abdou, P.C. van Oorschot

arxiv:1608.03939 v2 · 2016-08-13 · cs.CR · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBIJ7I23AXPIRZMME3UFMIGHNL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:08:33.792083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0509fa35b05de88e58c26e85620c76afb909aae7b570d365af1f0bca644c408

Aliases

arxiv: 1608.03939 · arxiv_version: 1608.03939v2 · doi: 10.48550/arxiv.1608.03939 · pith_short_12: UBIJ7I23AXPI · pith_short_16: UBIJ7I23AXPIRZMM · pith_short_8: UBIJ7I23

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/UBIJ7I23AXPIRZMME3UFMIGHNL \
  | 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: a0509fa35b05de88e58c26e85620c76afb909aae7b570d365af1f0bca644c408

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a89c8022fc15b74e79bfe2bf896b9b244f07b5e6d042bdf2ccabf0e93f093ba8",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-08-13T04:09:26Z",
    "title_canon_sha256": "f101bc3f38370fa993ccce6a1fcce724f61ccea84e29a753f283173662ee1d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03939",
    "kind": "arxiv",
    "version": 2
  }
}