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 MANKAYAN, BENGUET Award a ₱999.7K contract to APWALTZ CONSTRUCTION SERVICES AND SUPPLIESMunicipalities
Transaction hash:
083c9789cccb42e8d71470e791f9940f4896a30257d4d1f1178c1750eb03b30e
Status:
Included and unchanged
Block:
#5,143 870 blocks after it
Position in block:
Transaction 9 of 291
Award day:
May 4, 2023 (3 yrs 6 mo ago)
Value:
₱999,670.79
Project:
Improvement
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 #5,143 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 MANKAYAN, BENGUET awarded it to APWALTZ CONSTRUCTION SERVICES AND SUPPLIES on 2023-05-04.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 Mankayan gave a "qualified" 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 083c9789cc…03b30enow …
- 2. Block Merkle root changedstored 27feda82b7…5f1c75now …
- 3. Block #5143 hash changedstored 23b9aa3e25…f9d54enow …
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 290 records. Each step hashes the current value together with the sibling shown.
- leaf 083c9789cccb42e8d71470e791f9940f4896a30257d4d1f1178c1750eb03b30e
- 01 L 07fa0ee5079081b634f9b0d8a1a1d72661830ffb4a983b465cab62fa2c30a4d9
- 02 R 63f2c402e92e2b4cac534e97d5d47c91db784aa11073350625ed3aa68d9954fb
- 03 R 4aef6814e5d17e2e19e3da49f8fa6a406dcb52dc1dee27ed72636c69fd1ee55c
- 04 L dc605f9ca56dcb7ad9c9b16760098e737102533dc95526eb2af9a1e92bd057a5
- 05 R e892741951326c78539eaac9831f831af6f4b6c3e72d96633efaf272c4350984
- 06 R abb04086f2ff321a058f2a8983d17969e56ae3af98b1ea6043d49f06aa5bafd4
- 07 R 529597d7625b446317cbd70a06f173b43b25ae059a37e78d65121f97107e6cc5
- 08 R 3a7de829a653abd5afa821ad3cdd1e0279efd66ccbbd33b96ad90a5e567a7289
- 09 R 53debaa23ce104385b3fb528d9b3e69ac9284d8e76f8958ec42eb918b45b4df6
- root 27feda82b7e93a70ac41f6c463b22967ab1010dc1ce782e530dcb0b8fe5f1c75