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
PHILIPPINE PORTS AUTHORITY - HEAD OFFICE Award a ₱453.1M contract to PREMIUM MEGASTRUCTURES INC.National agencies
Transaction hash:
4e20a3818bcb98fb8071c3fc38079e37812ca4c66400f31a4c0bc2f2aa479144
Status:
Included and unchanged
Block:
#5,734 279 blocks after it
Position in block:
Transaction 119 of 359
Award day:
Jan 6, 2025 (1 yr 10 mo ago)
Value:
₱453,139,928.66
Project:
Dredging of Pier 18
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 #5,734 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)PHILIPPINE PORTS AUTHORITY - HEAD OFFICE awarded it to PREMIUM MEGASTRUCTURES INC. on 2025-01-06.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 4e20a3818b…479144now …
- 2. Block Merkle root changedstored 8ca2b24af1…b104bfnow …
- 3. Block #5734 hash changedstored 459adaea82…366e70now …
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 358 records. Each step hashes the current value together with the sibling shown.
- leaf 4e20a3818bcb98fb8071c3fc38079e37812ca4c66400f31a4c0bc2f2aa479144
- 01 L 4deb27ede99afb0b2285122370aa8cb8aec3f220facd39bfac926cd4a849aa1b
- 02 L 19f2cabbc2fa95ed86a4b3775992df7dda652144ad63eb8b619aad989f7375a1
- 03 L 17609b650563fc4efccd78bbd4e23ecb454e0387061d74bbe36528c7a6fb1295
- 04 R 39802f60d0e21955229232cdb6c5fe2263c978391ddf874c339e8658d645d19b
- 05 L eb08152027b49d2ef8c501c3b25037733ee5c43bec58d4c86d8279de16c20ed8
- 06 L 995795be245393eb66369d2cfcbb1206940b6d41aa972469bfcd9bb53db23a20
- 07 L 49c08cb1ea71acf3f2b1c0f823325360b8ca8d5c9fc72ba5da53711264203fa2
- 08 R c05be6fe5a1b1b222a39a45b7803074b3bd7bfdb826bcc1d5c540dbb7a18e0d6
- 09 R b29d2943d40ab3d7cdfad70251c151c24840d13e41133c833d52ea438276d4a8
- root 8ca2b24af16393c50d14677f3c68982f43f0110d16c4793b39c17d95c6b104bf