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
PROVINCE OF SOUTH COTABATO Award a ₱10.0M contract to DUMALAG SURVEYING & ENGINEERING SERVICESProvinces
Transaction hash:
dbc031dec183c119ff7c835e2a0d92c4cc693ed0502dee2a0fb02dc50b45c48b
Status:
Included and unchanged
Block:
#3,172 2,841 blocks after it
Position in block:
Transaction 210 of 255
Award day:
Aug 25, 2017 (9 yrs 2 mo ago)
Value:
₱9,965,162.95
Project:
Construction Project
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 #3,172 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)PROVINCE OF SOUTH COTABATO awarded it to DUMALAG SURVEYING & ENGINEERING SERVICES on 2017-08-25.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 South Cotabato 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 dbc031dec1…45c48bnow …
- 2. Block Merkle root changedstored 9894d131b7…7329bfnow …
- 3. Block #3172 hash changedstored 3863571887…c04c1cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 254 records. Each step hashes the current value together with the sibling shown.
- leaf dbc031dec183c119ff7c835e2a0d92c4cc693ed0502dee2a0fb02dc50b45c48b
- 01 R dd1bd9260c6aee4b780345430be5463b6e15dfe82da20e9053bdc5b5659b69bd
- 02 L a81331cc4d8dba4107d9dd6e654f4bacb7c7b1865a0e051e450b1bafc187ced0
- 03 R 459012b619fa152ce284efe9576dec3f6d769b2645d04568b8817fd5a7e865fb
- 04 R c917b558b6e98f3ca2fa67cc8b26a85c2d707279d6c4b1fcc19f95b4cf6cc68c
- 05 L 1f7a901ffa1e6e3b79ca0f09a837de0602689061b11882d8cd776fe9f8e9d654
- 06 R bfe9c9b31b6bbf2769d35062dceb731d21584a33ec52281202eb64d0aa48e2fc
- 07 L 76f666b3e33e68843d19d43f064100aefec2b90d1bd46c4998d1b48a9a6d37e7
- 08 L 7bd9d8a7046a53707916c89e74f0950e741ac412bfe25bdccac589a23772ff98
- root 9894d131b7f86e4b9bcd64ff8c2776656a2554011c027ebb69b01975867329bf