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 TUBAO, LA UNION Award a ₱1.7M contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
ea1b0804ffcc736f1298a058afdaf3d67a59a11b38e3b9cd33f9d9a0abe0fa45
Status:
Included and unchanged
Block:
#5,013 1,000 blocks after it
Position in block:
Transaction 213 of 236
Award day:
Dec 21, 2022 (3 yrs 10 mo ago)
Value:
₱1,699,175.96
Project:
REHABILITATION/IMPROVEMENT OF PIDEG DIVERSION DAM
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 #5,013 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 TUBAO, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2022-12-21.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 Tubao 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 ea1b0804ff…e0fa45now …
- 2. Block Merkle root changedstored 1e39a5092f…f715f6now …
- 3. Block #5013 hash changedstored 393d4bc8de…835127now …
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 235 records. Each step hashes the current value together with the sibling shown.
- leaf ea1b0804ffcc736f1298a058afdaf3d67a59a11b38e3b9cd33f9d9a0abe0fa45
- 01 L e9c271114c543802756db4c507097002d44be42e741931e09f0a68d156defe41
- 02 R d6cd3c6fd6a15b653498c9151ade7c006708a48903e0900d342335bb47b3c4b2
- 03 L 719ff2b1f19419051f91b172876cd05f9ae7c011879b2a1a545dd232da75b5fe
- 04 R 0b512082f0e25017c0b06d85bcc57b2cbad00558688c6d22d644288e6c88cac6
- 05 L cd9bab4cbce751d844f0c5d82592af08e99ee8ab1185e137049fcdb122dbb8c7
- 06 R dce60345cd2d120154267770d755655a8feb5878ebebd7d96258e7a13d647a7f
- 07 L bba54b8b6e590724fdf80215358d77251b244ca902b4c0e0c149496372a96e97
- 08 L dd1297eb739c8dbf974cc4bd187abf4ce6807286aa09bae964473becb6919607
- root 1e39a5092f38c5154fc3b0d8adae3b3c60196f090862ff917ea8853944f715f6