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 RIZAL Award a ₱4.6M contract to D.C. SANDIL CONSTRUCTION & REALTY DEVELOPMENT, INC.Provinces
Transaction hash:
d1cd37aee6f986c36b95ef08118554d11327d017a61d2c5f48534598724c6d64
Status:
Included and unchanged
Block:
#3,399 2,614 blocks after it
Position in block:
Transaction 213 of 274
Award day:
Apr 24, 2018 (8 yrs 6 mo ago)
From:
Value:
₱4,576,420.79
Project:
Concreting of Road & Riprapping for Slope Protecti
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 #3,399 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 RIZAL awarded it to D.C. SANDIL CONSTRUCTION & REALTY DEVELOPMENT, INC. on 2018-04-24.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 Rizal gave a "not stated" 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 d1cd37aee6…4c6d64now …
- 2. Block Merkle root changedstored b48142407f…590710now …
- 3. Block #3399 hash changedstored 120a6b4df6…45a80dnow …
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 273 records. Each step hashes the current value together with the sibling shown.
- leaf d1cd37aee6f986c36b95ef08118554d11327d017a61d2c5f48534598724c6d64
- 01 L d0262af5c425bd893484cd8c607238a36413cd2444d8de224e18532a3e019212
- 02 R 69c1d146449f5e52656007399c04ca0a647a8e50cde0c40ed5952a61ca96fb1e
- 03 L 024aba6b7b9ece351886bb263814ad4fb07beaa58bd3ba3c47caccc135599433
- 04 R a076704cf75948587f0d742e9029693fbbf5aa3e0b1bbf40dc32e4ebc247be95
- 05 L 43985547dbc1f31cc0714ced5a807018827045b2e68c72d35d402a6dc6ba1884
- 06 R f1685676284e4c075d3ec18ec110b1e8ea0f9e17301dbb1f2968386d6520168e
- 07 L dde27756949a0a03b8a753d355ead85bb065bcc4f9820c9a4e2b89809dfdaeae
- 08 L 51ed5e29258b30d5bf21c1a20f8d970146a41bb1a96254452515042583ee780e
- 09 R 82516f25e7f8cd8965e89fad1a49366ff8a51b99bad453c106d324a397959a8d
- root b48142407ff2e68a365486563275cc8be2275dbbb131f746c3d3de69df590710