Pith Number

pith:NSDRWDPW

pith:1999:NSDRWDPW543IMPDH3L7WHHQNJU

not attested not anchored not stored refs pending

Paired Accelerated Frames

Ulrich H. Gerlach

arxiv:gr-qc/9910106 v1 · 1999-10-28 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSDRWDPW543IMPDH3L7WHHQNJU}

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	2026-05-18T01:39:17.762947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c871b0df6ef36863c67daff639e0d4d31ea1ab8b5decd96503105719525f41e

Aliases

arxiv: gr-qc/9910106 · arxiv_version: gr-qc/9910106v1 · doi: 10.48550/arxiv.gr-qc/9910106 · pith_short_12: NSDRWDPW543I · pith_short_16: NSDRWDPW543IMPDH · pith_short_8: NSDRWDPW

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/NSDRWDPW543IMPDH3L7WHHQNJU \
  | 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: 6c871b0df6ef36863c67daff639e0d4d31ea1ab8b5decd96503105719525f41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80e9a2eaa5c76bf9d3270945d50aa00bd47bb4f93e744f3c3610b016ad17b9d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-10-28T16:02:25Z",
    "title_canon_sha256": "ef18dd6215899ffd83750b8ea405cf3fdf9ee4f1a3c003f6070d61b62116ac5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9910106",
    "kind": "arxiv",
    "version": 1
  }
}