Pith Number

pith:HMRQSFYC

pith:2016:HMRQSFYC2R44QPVFPSVEHVSBNY

not attested not anchored not stored refs pending

Posting with credibility in Micro-blogging systems using Digital Signatures and Watermarks: A case study on Twitter

Georgios K. Pitsilis, Mohamed El-Hadedy

arxiv:1612.09480 v1 · 2016-12-30 · cs.SI · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMRQSFYC2R44QPVFPSVEHVSBNY}

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	2026-05-18T00:53:41.416800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b23091702d479c83ea57caa43d6416e1dea8a57c86bfaf65f4b19d377033e31

Aliases

arxiv: 1612.09480 · arxiv_version: 1612.09480v1 · doi: 10.48550/arxiv.1612.09480 · pith_short_12: HMRQSFYC2R44 · pith_short_16: HMRQSFYC2R44QPVF · pith_short_8: HMRQSFYC

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/HMRQSFYC2R44QPVFPSVEHVSBNY \
  | 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: 3b23091702d479c83ea57caa43d6416e1dea8a57c86bfaf65f4b19d377033e31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc8056a07e2772da6ec39f2f01640ef428014c0a41339b0f8741c8ed90a0165f",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-12-30T13:15:27Z",
    "title_canon_sha256": "1882ad106e6fac9dc596105adeb7fb9c599a58a11d04deabd2ecf939672b9335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09480",
    "kind": "arxiv",
    "version": 1
  }
}