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
CITY OF MAKATI Award a ₱8.8M contract to LE BRON CONSTRUCTIONCities
Transaction hash:
4700a1a1e6e51bd165e3d670e364abe7131fa70366a8a69728b5b856ff2abb1d
Status:
Included and unchanged
Block:
#5,176 837 blocks after it
Position in block:
Transaction 99 of 349
Award day:
Jun 6, 2023 (3 yrs 5 mo ago)
From:
Value:
₱8,792,802.02
Project:
Proposed Road Improvement of C. Sotelo Street Loca
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 #5,176 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)CITY OF MAKATI awarded it to LE BRON CONSTRUCTION on 2023-06-06.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 City of Makati gave a "unmodified" 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 4700a1a1e6…2abb1dnow …
- 2. Block Merkle root changedstored 04d00d2f3d…51624anow …
- 3. Block #5176 hash changedstored ef06b3f64b…8741aenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 348 records. Each step hashes the current value together with the sibling shown.
- leaf 4700a1a1e6e51bd165e3d670e364abe7131fa70366a8a69728b5b856ff2abb1d
- 01 L 4632db5cee35f45a6825c9dff3b938a77d2059d1fe35c01a5738dd5023cdca63
- 02 L 0753f3ae54fc6ef61920517215200418e7396a6b9f085696a36297976bfc552b
- 03 R ee9af9616aa92959df0a8062268efc6688078e8c942314668c738248ac5b4063
- 04 R 7f94ab97640f94e8c7ede1060097a44f361344ac119621372138e826d787a64e
- 05 R 24b8731576031f96ba4b823a0c23e0efefabc19f4f913eb3e54502eb11b7112e
- 06 L 2b513d8e91dc70c7d941df9b218fc9e5035078d1c3489f1e09316c7de347779e
- 07 L 16c1a2e1da902c5e994715d4ce1aa40dfae1ef3a5d83cc837588a689955ad007
- 08 R 808fd6ff2fceb9343bcf4c7af68bf58958d1980be4ef61d6966413fd37067bde
- 09 R b4d26adbd8a696e632e62f2e424ba1fdf0bc59f10c64d577d8ce1a9d63bb26c6
- root 04d00d2f3d582344de6f923e740b0ef30dc5d201dceadecc2dc82187e351624a