Pith Number

pith:WTC3GTV2

pith:2016:WTC3GTV2FSJKKBDTAN7YUNQ426

not attested not anchored not stored refs pending

The Durability and Fragility of Knowledge Infrastructures: Lessons Learned from Astronomy

Ashley E. Sands, Christine L. Borgman, Milena S. Golshan, Peter T. Darch

arxiv:1611.00055 v1 · 2016-10-31 · cs.DL · astro-ph.IM · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTC3GTV2FSJKKBDTAN7YUNQ426}

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	2026-05-18T01:00:41.498074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c5b34eba2c92a50473037f8a361cd7ae4f10900cbefbc7f7e303e7fcceb331

Aliases

arxiv: 1611.00055 · arxiv_version: 1611.00055v1 · doi: 10.48550/arxiv.1611.00055 · pith_short_12: WTC3GTV2FSJK · pith_short_16: WTC3GTV2FSJKKBDT · pith_short_8: WTC3GTV2

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/WTC3GTV2FSJKKBDTAN7YUNQ426 \
  | 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: b4c5b34eba2c92a50473037f8a361cd7ae4f10900cbefbc7f7e303e7fcceb331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "619cbab21de111aa1a38a3335c1091b7637201dd8ec298c93bb6d8ca720e81c1",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2016-10-31T21:40:19Z",
    "title_canon_sha256": "da59e74e06435e39c6715f5ad5e938b7e61c461f437892ad96b60126683a0c09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00055",
    "kind": "arxiv",
    "version": 1
  }
}