Pith Number

pith:2W54RZ5T

pith:2019:2W54RZ5T6I3RNFQUOC7A2LTOQR

not attested not anchored not stored refs pending

MementoMap Framework for Flexible and Adaptive Web Archive Profiling

Daniel Bicho, Daniel Gomes, Fernando Melo, Michael L. Nelson, Michele C. Weigle, Sawood Alam

arxiv:1905.12607 v1 · 2019-05-29 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2W54RZ5T6I3RNFQUOC7A2LTOQR}

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	2026-05-17T23:44:43.836433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5bbc8e7b3f23716961470be0d2e6e846b596f287d8ab80330064a58f1d521b1

Aliases

arxiv: 1905.12607 · arxiv_version: 1905.12607v1 · doi: 10.48550/arxiv.1905.12607 · pith_short_12: 2W54RZ5T6I3R · pith_short_16: 2W54RZ5T6I3RNFQU · pith_short_8: 2W54RZ5T

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/2W54RZ5T6I3RNFQUOC7A2LTOQR \
  | 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: d5bbc8e7b3f23716961470be0d2e6e846b596f287d8ab80330064a58f1d521b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f90bd5a1735fceacc430cc762758482d4c592154b5dd62c84e25d5c8086442e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2019-05-29T17:41:21Z",
    "title_canon_sha256": "fad2af63a64d62ebf35d06e1d7ffd4e87c2bab9aab3097cf7df9bba05d1e917e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12607",
    "kind": "arxiv",
    "version": 1
  }
}