DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
MUNICIPALITY OF LEMERY, BATANGAS Award a ₱1.3M contract to TDR CONSTRUCTION & SUPPLYMunicipalities
Transaction hash:
8519eaaafec10ee3bb645b0d85c4e07fc2fd2f2e560bdbbee985a13e41e7c3bc
Status:
Included and unchanged
Block:
#3,425 2,588 blocks after it
Position in block:
Transaction 512 of 988
Award day:
May 22, 2018 (8 yrs 5 mo ago)
Value:
₱1,308,641.16
Project:
Concreting of Climate Change resilient roads
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,425 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)MUNICIPALITY OF LEMERY, BATANGAS awarded it to TDR CONSTRUCTION & SUPPLY on 2018-05-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Lemery gave a "not stated" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 8519eaaafe…e7c3bcnow …
- 2. Block Merkle root changedstored afc2cd5390…19b960now …
- 3. Block #3425 hash changedstored 6e5fbdae95…f0bbc0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 987 records. Each step hashes the current value together with the sibling shown.
- leaf 8519eaaafec10ee3bb645b0d85c4e07fc2fd2f2e560bdbbee985a13e41e7c3bc
- 01 R 852da30bbad680cc266bf93cbf13e6b54348e76151f7cc2b253236d1edf18f96
- 02 R 16d18cbb72e2a264184141ed8b2d64a8b976befba8702a7d5357fa78e7a305b1
- 03 R efe34ed7f40d86b1b6addb5f020a89fc2be86bc20189785663cad544f3f058fe
- 04 R 404b2e8407140e0e2c1f8409df6a24486176d844faf8056a04b4d948ec29e47c
- 05 R 7e68d71961c74c7ca2c9c3004c8464d16cdcf56366ee214cd0f4f938662b5958
- 06 R a207d9f0bf7845ba2c3a3c1ee90fc7c0c8661b1edc6395524d18e975297b3076
- 07 R eb4c61e42a97ee45bce9497af3884a45d016d56258d44a40646bd43bc57a4f5c
- 08 R 9b1a200017783cb9949ce7c1bf1d7f401e682b56960f4773c238e1d021c2a2d1
- 09 R 73e0748f6af0bb0c5f90a37fb9720f19d56e3ef7c86ab764a1742ae4b9641f92
- 10 L 3e427b01a4ca1b660d6e1f24b60405762746a630090c6f252970809fc885bbe2
- root afc2cd53900dc781e9fa8a2d8b4195cf4e813225eb7cee3f68b7bcb6f219b960