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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E Award a ₱2.8M contract to ALPHATEC CHEMICAL CORP.National agencies
Transaction hash:
ed2a45d0cec002f8263967bfa20cde5ed7e4f5f26ccba76d823e9608896f6f69
Status:
Included and unchanged
Block:
#3,783 2,230 blocks after it
Position in block:
Transaction 233 of 255
Award day:
Jun 7, 2019 (7 yrs 5 mo ago)
Value:
₱2,750,100.00
Project:
Contract ID No. 019OB0001-Rehabilitation/Major Re
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 #3,783 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E awarded it to ALPHATEC CHEMICAL CORP. on 2019-06-07.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)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 ed2a45d0ce…6f6f69now …
- 2. Block Merkle root changedstored 0721364f6a…591b26now …
- 3. Block #3783 hash changedstored 4ba51e2ee0…11f5c5now …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf ed2a45d0cec002f8263967bfa20cde5ed7e4f5f26ccba76d823e9608896f6f69
- 01 L ecac239cde3160df016dd63c4c65c1ae939ce998df45fc31107b3a5bf6cede03
- 02 R c7361844133e2d0ba217d336fe6a921560ba3065240fccac17c5a36068f97eac
- 03 R 8b1f91028fc409adbf64cf22ac2ec3ae5f07e04a67888ec0d5581936fe554694
- 04 L 1ff3b08d5e3423c1d83af7de898d41898b99606d4da51404c97b29b26a0d7955
- 05 R a9f2df087903afa46766f1b5bb57c10c4f72fc85e24f17362092d91414c7fdcd
- 06 L 8a2b4576dfd0997b5985adc03e39838f7a7be4f597d920b97874a3d53813cea0
- 07 L 2506d6877448481438797c8e49499bd6c269ec68e3aeb41e7b5f9179de90ec09
- 08 L 5b8bc01aecd08fb159c09f2350b7958d3c09e3892a99e1f97c46dc79a6c8aa4f
- root 0721364f6af33a548835d51948b821468039faad689014669b8f5aaf56591b26