Pith Number

pith:2RHVPFOH

pith:2007:2RHVPFOHQGNJO46CBXWAGW5LRY

not attested not anchored not stored refs pending

Measurement of the space-time interval between two events using the retarded and advanced times of each event with respect to a time-like world-line

Giovanni Amelino-Camelia, John Stachel

arxiv:0710.5608 v1 · 2007-10-30 · 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{2RHVPFOHQGNJO46CBXWAGW5LRY}

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	2026-05-18T02:35:24.373940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d44f5795c7819a9773c20dec035bab8e3791043441fca2f9e8af68ef00a45ab6

Aliases

arxiv: 0710.5608 · arxiv_version: 0710.5608v1 · doi: 10.48550/arxiv.0710.5608 · pith_short_12: 2RHVPFOHQGNJ · pith_short_16: 2RHVPFOHQGNJO46C · pith_short_8: 2RHVPFOH

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/2RHVPFOHQGNJO46CBXWAGW5LRY \
  | 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: d44f5795c7819a9773c20dec035bab8e3791043441fca2f9e8af68ef00a45ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "423a17ef063177a23ee180a3cba133bfd878cba1686ccd40a15433aa0b9ed4ae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-10-30T10:53:50Z",
    "title_canon_sha256": "d289a9c0845fd410873ca2c270eba1c4b732cd062ecbbff673178ca725d253db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.5608",
    "kind": "arxiv",
    "version": 1
  }
}