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 MANDALUYONG Award a ₱8.0M contract to 3FJ CONSTRUCTIONCities
Transaction hash:
cea3a112e2c50be71f356f186a3277ca4195fb94c984dbb0f86fe1a301ac8225
Status:
Included and unchanged
Block:
#4,627 1,386 blocks after it
Position in block:
Transaction 243 of 305
Award day:
Nov 12, 2021 (5 yrs ago)
From:
Value:
₱8,018,375.00
Project:
Construction
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 #4,627 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 MANDALUYONG awarded it to 3FJ CONSTRUCTION on 2021-11-12.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 Mandaluyong 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 cea3a112e2…ac8225now …
- 2. Block Merkle root changedstored 45b8bf792b…70afecnow …
- 3. Block #4627 hash changedstored 9723a4792c…bb7e14now …
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 304 records. Each step hashes the current value together with the sibling shown.
- leaf cea3a112e2c50be71f356f186a3277ca4195fb94c984dbb0f86fe1a301ac8225
- 01 L cdcf10dffe3c5420a7908d17ed4478da311b5e6a2cac87ae39b788e5d1799438
- 02 L cf110a0537d6fcdd96f65248df7c06b44f948cba9d15ea6ee72ceaaa1b140bab
- 03 R 6b913e3db48908dbed34c50f36ab9ce5fb1561d45471deaff0ff9350b06e7edc
- 04 R 9dd7b6587d04733aec7e0fb645276718386ee5df5ecb0efe40cf97857aee3634
- 05 L 67c2286e5ed7b5c1da6ae26a64b7a5f94b8e4bd02cd82ac37b6c569785dbe199
- 06 L c5c05bbbdb49ee062d827144c44e7816a7e9ca87391feb92313afe8932a5c0cb
- 07 L d99eb5d67d2f5a7709be1e0438a61a0b80ab4dd44f321536c3d57e9cda9d718b
- 08 L 2fc0de163ef556eb28d22b7e6ea05f50c266d278c480b69f159186aba796bcc5
- 09 R 679f64b2584b55b71635c0e29bb5f9162ae3b30aa2a44a9d02d1f1d18f51d099
- root 45b8bf792bd89342fe5ae47176b75f269928643033459ef6deed51c6bf70afec