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
CITY OF PARAÑAQUE Award a ₱486.8K contract to M.P.Z. CARREON BUILDERSCities
Transaction hash:
4d2ef36236e9d192ef62fcf395013a2c6395a68a39d21de4cb3ddcabcb1431b6
Status:
Included and unchanged
Block:
#5,266 747 blocks after it
Position in block:
Transaction 71 of 238
Award day:
Sep 7, 2023 (3 yrs 2 mo ago)
From:
Value:
₱486,763.89
Project:
Proposed Construction of Walking Shed
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 #5,266 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)CITY OF PARAÑAQUE awarded it to M.P.Z. CARREON BUILDERS on 2023-09-07.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 City of Parañaque gave a "unmodified" 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 4d2ef36236…1431b6now …
- 2. Block Merkle root changedstored c3e83bbfbf…a1b457now …
- 3. Block #5266 hash changedstored 0a4d6c50b3…fc2c61now …
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 237 records. Each step hashes the current value together with the sibling shown.
- leaf 4d2ef36236e9d192ef62fcf395013a2c6395a68a39d21de4cb3ddcabcb1431b6
- 01 L 4d164c4f2b1fb3500d26d5f00f54b0313979269ab5a745268bc6a4acfdf3bd26
- 02 L 31ab44d59463ceb0f56eeb48ff77cab819fc7426242748bde7f388877a647f06
- 03 L c9da39aa0809d75ef708628b4d0ffadd36db2202a457fcad4a3b3b80964806c9
- 04 R 8ead23de5ace99e0bf32cc0d6d62fcffdc96e6c24419460f43297bb4a739ca0d
- 05 R fb569d9d2d064d32ff6b0d49bf951ededb16e746156d17b4ec122e79f4f60383
- 06 R 33caed672d800310e37fe777150b61634098598b3efbb60ae64f983c995519b2
- 07 L 018b917fc7b8c927f36556e2cf44e517aca4c30237c795e201a70309dcf8c67d
- 08 R cfde9d30b7bf46aa92d63b95729ac745ce0ae9c0c7b398e85cd0fd9335730c8c
- root c3e83bbfbf4b61fdf504331b1e25b9a6059459c88fb1360c92024f6a90a1b457