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

API

Transaction action

PHILIPPINE PORTS AUTHORITY - HEAD OFFICE Award a ₱18.1M contract to SQUARE CUBE CONSTRUCTIONNational agencies

Transaction hash:

c752d5bc86d13ebdbcb527b3a9258584059ee93cc8f663f5b170778cfdc5f769

Status:

Included and unchanged

Block:

#828 5,185 blocks after it

Position in block:

Transaction 253 of 343

Award day:

Mar 22, 2010 (16 yrs 7 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - HEAD OFFICE

To:

SQUARE CUBE CONSTRUCTION

Value:

₱18,081,642.49

Project:

Invitation for Negotiated Procurement for the Proposed Capital Dredging of Consolacion Navigational Channel, Brgy. Consolacion, Dapa, Surigao del Norte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - HEAD OFFICE

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 #828 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
PHILIPPINE PORTS AUTHORITY - HEAD OFFICE awarded it to SQUARE CUBE CONSTRUCTION on 2010-03-22.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored c752d5bc86…c5f769now …
2. Block Merkle root changed
stored ddd2936bb8…553beanow …
3. Block #828 hash changed
stored 50b18ed8d7…4ffc6fnow …

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 342 records. Each step hashes the current value together with the sibling shown.

leaf c752d5bc86d13ebdbcb527b3a9258584059ee93cc8f663f5b170778cfdc5f769
01 L c72fe16ff7b360b4584d58d88c3c4504e5d206fde2558146f73349d4535c55d7
02 R 5eef1c28a2885da57de8553866fb6d9899d836d2cc78a31ff38d772d21615778
03 L 2d2fcb82054fc3a39af221f089eff50ff6ad3ce7058d3a36b9a02d916f6b2b4a
04 L 8a1b34c611d0b7cb42458f4192a9cb3482c63239e1b0f234ceb94572dfec5fe6
05 L 3014be33571ceb15049b7647e545961d7f04304b6b6556a403329e66ed73f514
06 L 04d259cf09110635105ab7406667517aef270023dc1d303c035700cb95f4079e
07 L cc802988f12daa9430e1a563db25c9b28490c69279ba0753729994a39ce57d5e
08 L d80440708e2d4f2765fa2fe3c03af90fe98576331280eed29d88f39325d85185
09 R 221e68ff19a8b4e50788e8d490c8a20bc5dc6c9d8ade91e93500e886514f4d86
root ddd2936bb81fc9f3eae1ea92c1aab647fa6e1ba989e02021ff38c99251553bea